For me I got recommended a video “How to pronounce COCK in British English” - and I didn’t actually watch any learning english related video before and never watched any videos on that channel - It was just so weird how it appeared in my recommended…
Try searching your YouTube watch history for those videos and removing them. That seems to actually make the algorithm pretend you never saw them, and so it doesn’t consider them in future recommendations (at least, in my experience).
YouTube appears to just be pushing random videos with almost no views regardless of your interests. I try my best to curate my subscriptions and watch history and I still will get recommendations for “Part 72” of a playthrough of a game that isn’t even a genre I have a history of playing. They’re just pushing garbage at this point.