https://effection-www.deno.dev/

And yet you run it. Have you vibe-checked every such software? Did that bring you enough information about individuals creating it? If not, if there are no readily available signs, have you vetted their own, private beliefs otherwise — in order to ensure they don't clash with your own?

What if Linus Torvalds turned out to be secretly a Nazi pedophile for the whole time? Would that make you stop using Linux?

If I wanted to make a honeypot that undermines users' privacy and anonymity, I would make sure to be as nice to everyone as possible. The "vibe check" is irrelevant, the false positives are far too common.

Also, most often the two parties use different receiving servers, and this aligns us more with the physicals letters analogy from the submitted article, except that each receiving server is more like a central post warehouse in a big city and not a small district branch.

If the users' communications are encrypted — which they are — there is no way for the creator to "reflect his world view", whatever it might be, in the form of undermining the security or privacy for some part of the user base.