Based on stats from IFAD [1]:

> There are some 500 million smallholder farms worldwide; more than 2 billion people depend on them for their livelihoods. These small farms produce about 80 per cent of the food consumed in Asia and sub-Saharan Africa.

Estimates are hard to come by, but a significant fraction of those (>750 million) are subsistence farmers with zero market access beyond their nearest village or town. That not only means thy can’t effectively sell their produce but they can’t easily afford or have access to basic technologies and resources to improve their yields enough to get out of subsistence farming. Even metal tools are difficult to come by in many places, let alone a consistent supply of fertilizer.

Mobile phones have had an outsized impact on these communities because they allowed farmers to get market data even if it was just a village away. Roads, irrigation, sanitation, and a whole host of other infrastructure we take for granted would have an even bigger impact, and these aren’t temporary solutions like food aid, which just distorts markts even further.

That said, there are huge long standing systemic problems (some violent) that make these kinds of investments hard to justify politically and create a nasty chicken-and-egg problem.

[1] https://www.ifad.org/documents/d/new-ifad.org/smallholders-c...

Not really. “To no one will we sell, deny, or delay right or justice” in the Magna Carta has long been interpreted as much a positive right requiring the Crown to actually provide for justice rather than just a negative law to refrain from abusing it. There's also several clauses requiing royal justices to hold assizes in the counties and set procedures for hearing disputes which is a duty to maintain legal machinery. Heirs, widows, and wards were promised specific legal treatment, such as a widow’s immediate right to her marriage portion and inheritance, and limits on abuse by (non-state) guardians which are affirmative entitlements within feudal law.

Even Rome had the grain dole (the bread of “bread and circuses”).

The classic "the decision makers can take longer to buy than you can stay solvent" problem of enterprise sales.

Anyone who thinks America would cease to exist due to foreign military action is a fool. Canada and Mexico do not have the logistical capabilities and no one else has trans-Pacific/Atlantic force projection.

It doesn’t take planes, ships, or missile launchers to defeat the US military. The average American gun owner is better equipped than the insurgents that have defeated our armed forces.

BTW you do NOT want ten acres. That is a back breaking amount of work and even with modern technology you'll struggle to cope (it's not enough to afford most heavy equipment, but too much to do manually). You want an acre or two where you have enough space to plant trees. It takes a few years from nursery to fruiting, but they are far lower maintenance.

The single biggest reason these farms exist is because American retail produce is mostly garbage. It’s so economically micro-optimized that all flavour has been wrung out of it. The only way many of us immigrants can get back the flavors of our childhoods is by growing the fruits and vegetables ourselves, if only to have control over the varieties, the vast majority of which are not sold in stores (>95%). That nostalgia is what pays the margin.

They make money not by optimizing per item profit or by exploiting information asymmetry, but by getting as many eyeballs on their site as possible to drive demand (and thus drive auction price up). They’re happy to be scraped as long as scrapers don’t bring them down because their core competency is giving municipal and state governments an aggregated platform and making the process easier from a bureaucratic point of view.

If you do the work of marketing for them (especially for free!) that’s a plus in their eyes. You’re not a competitor because they do the work of actually dealing with government departments like handling payments and paperwork.

In Australia the satire Utopia has now predicted several major pointless government projects, including a stadium in Tasmania that no one wanted. https://www.news.com.au/sport/sports-life/abc-comedy-series-...

You can guess that now in the 21st century, but we're talking about illiterate peasants who never traveled past their nearest market center. It's naive to assume we can even possibly empathize with their epistemological outlook.

For example, just look at the medieval sources about barnacle geese from the 13th century (from the educated class):

> Barliates, as Aristotle says, grow from wood, and are birds which the common people call 'barnesques', having a similar nature. [1] (I chose a short quote to make a point but please read the rest of the source, it's hardly an allegorical text)

They didn't have the concept of falsifiability or anything even remotely resembling the scientific process (or critical thinking, for the most part). The literate were obsessed with the classics and just took Aristotles and Ptolemy's word for everything, until Copernicus and Kepler had their way. Anything resembling scientific knowledge filtered down to the peasants or came from old wives tails entirely.

Even now with almost universal literacy we have a significant fraction (if not majority) of the population believing in ridiculously stupid nonsense like astrology. I don't find it hard to believe that people thought that geese's life cycle included barnacles.

[1] https://www.medievalbestiary.bestiary.ca/beasts/beastsource1...

[1] https://pmc.ncbi.nlm.nih.gov/articles/PMC3735239/

> indeed you rarely ever actually need more than 5.

That’s not how math works. With every operation the precision falls, and with floats the errors accumulate. What was five digits quickly becomes 3 digits and now you’ve got three surfaces that are supposed to, but don’t technically intersect because their compounding errors don’t overlap even though the equations that describe them are analytically exact. Modern geometric kernels have 3 to 7 tolerance expansion steps that basically brute force this issue when push comes to shove.

Once you have these discontinuities, a lot of critical math like finite element modeling completely breaks down. The math fundamentally depends on continuous functions. Like I mentioned above, three corner filets create a singularity in parametric space by default, so even the core algorithms that kernels depend on to evaluate surfaces break on a regular basis on basic every-day operations (like a box with smoothed edges - aka almost every enclosure in existence)

> Who out there actually needs more than that (vs who just thinks they do)?

I can’t stress this enough: almost everyone. CAD isn’t one of those fields where you can half ass it. Even the simplest operations are bound to create pathological and degenerate cases that have to be handled, otherwise you have a pile of useless garbage instead of a 3d model.

Slicers deal with meshes, like video game renderers, not boundary representations like CAD kernels. There is effectively zero overlap. Even just tessellation, the step that converts brep to mesh, is significantly harder than anything 3d printing software has to do.

Although in my defense, in my line of work that’s indistinguishable from a rootkit :)