Not only monetization but also the whole sorting/ranking algorithms. Youtube is a bit better than Facebook reels and instagram due to the thumbs down button, but some people go out of their way to make nonsensical garbage because viewers will then comment, and there's no way to tell if a video is good or bad based solely on engagement. Those videos where people have some DIY hack to clean a toilet bowl and they just pour random condiments in the toilet for 3 minutes and cut the video before any conclusion, those types of videos