If you're running uBlock Origin, go into the addon settings, go to Filter Lists, and turn on the Annoyances filters. They're not on by default, but should get rid of these kinds of "known" popups across popular sites.

Kinda like karma, it's the culmination of downvotes (reduces) and boosts. Much easier to get downvotes than boosts though. Idk why the upvotes (favorites) don't count. Maybe that will be a change soon