I cancelled on a combination of sharing, as my sister used and that stopped me cancelling earlier, plus general content got more limited for my tastes.
Many people seem similar as me, and this is a world where scale matters.
I actually wonder if it would be good regulation that government seperated streaming from creating/owning catalogues. I'm not sure if correct but I suspect otherwise we will have a small number of players controlling what the world watches which tends to be a bad thing.