One part of this still infuriates me and restricts my behavior on the platform (which I barely interact with anymore): showing my friends what I click like on if it's a public post. I've had politically-impassioned relatives attack me for liking candidates they don't like or if I comment on a public post and Facebook points my comment out to them. It also works the other way too. I really didn't need to know that my…
I'm not particularly pro or anti Facebook, but my engagement with the platform is severely curtailed by the need for self-censoring due to their public first mentality. Essentially I learned to treat everything with that tiny globe symbol as read-only (and every closed audience potentially public, but that's a different story, more about self-preservation than about courtesy).