Super interesting thread, and I agree with the posters about the ‘switching costs’ that users undergo when they move away from Facebook and onto an independent platform like Discourse. Cory Doctorow has written extensively on this, here’s an example article Commentary: Cory Doctorow: Social Quitting – Locus Online but the concept of switching costs infuses a lot of his writing, especially on Enshi**ification (which is what has happened to Facebook).
I think as the understanding of Enshi**ification becomes more mainstream and widespread, the Discourse community has much to gain by being able to offer safe alternatives. There will always be some people who will stick with the Facebooks and Xs simply because of inertia. But activated users will vote with their feet.
Do we need a whole Category on Facebook pain? Probably not, IMO.
Do we need some good user stories here on Meta from Facbook Group mods turned Discourse sysadmins? YES!!!
If you search Meta for ‘leaving Facebook’ there isn’t a huge amount here yet. In all my communities I resist creating Categories will-nilly until there is already some decent amount of discussion on a topic. A good intermediate step is to create a Tag for #facebook to make it easier to find that content.