I put a couple of cumulative hours into it, purely to seed/discover the supposedly-fantastic recommendation algorithm. I was drowning in videos of cute couples

I put a couple of cumulative hours into it, purely to seed/discover the supposedly-fantastic recommendation algorithm. I was drowning in videos of cute couples doing inane things until I started doing the couple extra clicks to indicate Not Interested. After that it got a bit more diverse, but I somehow don't seem to have left seemingly-generic content behind, and at no point did I get any inkling of the "just one more video" flow that I've heard about.