What was that saying, "there is no car more expensive to own than cheap luxury car?"

Also, at least here highway driving is quite a bit of slowing down and speeding up, rarely it is just one speed whole way (that unless you're sitting on right lane behind the trucks)

Given that you'd have probably a lot more capacity just to get to required bandwidth it could be used to switch very quickly between models (as all stored there would essentially be "loaded")

It's far less work than touching anything on controller side (at most changing some network settings) and requires attacker to at the very least penetrate your network perimeter and snoop around to find it rather than "run nmap on a controller's default port over country's IP range"

Those systems are not cheap. It's not the case of lacking few hundred bucks to put it between a VPN box.

It is simply just "well, we weren't hacked before, why change?". Back when those were installed that was just not in the field of view and most those people worried about is changing default password.

And there is another case for industrial equipment, even if it is out of support, what you gonna do, trash a machine because of it ? No, it will be running till it falls apart or it will be more cost effective to replace.

> But I'd setup Tailscale and-- would you, the grocery store manager running on 3% margin, really? What if you're part of a chain and it's centrally controlled elsewhere, like all the other decade-old tech you use but have to call and wait for a dispatched tech to handle?

You either pay small cost now, or bigger cost when someone finds out. So, yes, really. We live in times where you no longer have to pay $500+ for enterprise grade VPN box, you can do very acceptable security wise solutions on cheap hardware or on literally "any old piece of junk"