The one that really annoys me is when $famous_author is on a book tour and I watch a talk. After doing so, YT recommendations repeatedly include more videos of

The one that really annoys me is when $famous_author is on a book tour and I watch a talk. After doing so, YT recommendations repeatedly include more videos of the same author giving the same talk on the same book at various other locations in the book tour. The algorithm delivers far, far less novelty than I want in anything except music. I very,very rarely want to see a dozen nearly identical videos on the same topic.