As a general rule I do not login to YouTube. Instead I have some creators that I informally follow. And then, when my feed starts getting corrupted, I obliterate all vestiges of YouTube from my browser, start “fresh”, and re-prime with my list of favorites.
Also, as a rule, if something catches my eye, I open it in a private window, so as to limit my feed corruption.
It’s far too easy to click on a video and you are seemingly marked for life. Easy enough to reset and start over than fight the tide against you.