Some of them have a sliver of an excuse, as from my childhood until I was at least in my late 20s, gaming was the realm of kids and geeks with no social life (according to populate opinion). And some people have trouble changing their understanding of the world after a certain point in their lives.
They probably also have a lot of other issues as that kind of mindset can affect a lot of other things, but that is the way some people are.
Oh hell no. I never liked facebook much to begin with, and started despising it several years ago. I want nothing to do with anything involving Meta.