Working as of last edit to this page
Adapted from https://gist.github.com/astamicu/eb351ce10451f1a51b71a1287d36880f
Jump to the code if you don't care about the preamble
Quickly remove videos from your watch history - search for videos, topics, creators you want to remove from your history to make them less likely to show up in your recommendations so you don't have to nuke or reset your recommendations. (YouTube's recommendation algorthmn works, mostly, on the videos in your History, Liked and Watch Later lists). It makes them less likely to show up, but I've found that sometimes not entirely especially if you watch related creators
Unlike the original, it doesn't intervals - you can nuke the entire visable list at once as the button is not hidden behind a meatball menu