> The problem is people aren't collectively incentivized to do so.

Yes, we are — please believe me that a LOT of people go out into the world and interact with each other. Doing so is extremely heavily incentivized by all of the wonderful and beautiful things that happen in the world all the time, both quotidian and sublime.

There is critical mass!

So then I guess it seems like you're rejecting the premise then that there's a loneliness epidemic?

https://en.wikipedia.org/wiki/Loneliness_epidemic

I get what you're saying -- I leave my house more than most. But I think it's pretty clear we're trending away from that being the default.