My experience is that I first search for content I'm interested in. Then YouTube keeps recommending things that are related (in the same domain, or on the same

My experience is that I first search for content I'm interested in. Then YouTube keeps recommending things that are related (in the same domain, or on the same channel). I haven't seen any PewDiePie recommendation in years (to the point I even forgot him). I don't really know what's actually popular on YouTube. All recommendations seem very personalized.