I may have rewatched maybe 1% of the videos I've seen, so either I'm way outside their target group, the recommender isn't adapting to my behaviour, or 1% is th

I may have rewatched maybe 1% of the videos I've seen, so either I'm way outside their target group, the recommender isn't adapting to my behaviour, or 1% is the best it can do. Also, based on my experience with GDrive support I really don't believe that Google has excellent engineers all over the place. Like virtually all big companies before them, once they get big enough the overhead of keeping the services from regressing takes up all the available energy.