Tampermonkey: modify your favorite sites with JS and CSS

Remove YouTube Recommended Videos, Comments: prevents me from falling down the rabbit hole.

Disable Facebook News Feed: I haven't seen my FB feed since Feb 2019. Love it! I can still lookup friends to see what they are up to, but I don't let an algorithm tell me what is important.

(These are all Firefox extension names, I'm sure their equivalent exists for Chrome).