YouTube's recommendation must be device dependent or something, because I only use it through AppleTV or as a Playstation App and the entire page is like 15 or 20 videos repeated over and over, like sometimes it will suggest the same video in two different places on the screen.
Account privacy settings/history tracking can radically affect the outcome, as registering what you watch is required for learning from it (by making which its main feature TikTok excused themselves from offering such privacy controls).