YouTube has a setting somewhere to only hold your view history for 3 months. I can’t recommend that enough.
Been using that setting for a couple of years, and it changed a bit how the algorithm recommends things to me cause if I somehow get into the cesspool sphere, it will stop in about 3 months.
Meh, can’t really disagree with that.
I tried using NewPipe for a while on mobile, but the issue is that surprisingly, no algorithm is almost as maddening as a algorithm that went batshit insane.