That’s not really correct. While yes, ads don’t pay great, this is generally the case, and maintaining servers with these amounts of data is really expensive. And with YouTube premium, actually, YouTubers get paid quite well. You can take a look at the LTT finances video. They make more money from premium than from YouTube ads, even though only a small fraction has it.
Surely it’s Google’s fault that Samsung is unable to develop good software at all.