It wasn't videos, those have always linked to a you tube or twitch account and still do. Facebook was for 'easy' screenshot sharing the lazy way. It was crap though since Facebook scaled them down and used horrible compression on top. (Facebook also makes linking pictures a pita) You could also import your Facebook avatar to use on psn, which has also been removed. Twitter has been added instead of Facebook to spam your trophy achievements to in case anyone wants to.
I updated several dozen videos to youtube from PS4 before the issue.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
Azzanation: "PS5 wouldn't sold out at launch without scalpers."