Facebook mostly sucks. You think it’s bad when we have forum hiccups, try entire threads vanishing into the ether and no way to get them back. The mod of one group I hang out in has to manually archive threads deemed important after one with a lot of great info went boom. I frequently have replies that have gone up in a puff a smoke when I return to a thread as well.
And twitter could never foster the kind of communities we have here and at FE. Twitter is such a dumpster fire at times, I hope I eventually see it’s demise. But whatever supersedes it might actually be worse.