Very true. But also, I have seen loads of youtubers that create a variety of things and then suddenly the algorithm rewards them with a video or two getting loads more views and they get fixated on that subject/stlye. It is kind of like rewarding someone at a slot machine, or a cargo cult.
Ben Jordan used to do almost entirely synthesizer stuff, now it is all privacy and security focused because that is what he got rewarded for. NatswhatIreckon, did all manner of comedy stuff like making fun are car shows, he ended up fixated on cooking because one video exploded in views back 2020. Heck, MrBeast used to be a minecraft channel.
In getting rewarded, they tend to lean into that. I don't blame them but also it does mean they become risk adverse at times.