The pressure's mounting right now with several distros switching to it as the primary layer. Though it seems to have gotten mired down in security overdesign vs practical upgrade of x
its never failed me even in gaming so i'm not going to switch from it knowingly for no reason. i cant say that about wayland though..... i've never owned anything but nvidia cards
I'm not going to have in depth answers for you tbh, short version it's too big and not designed for things that literally didn't exist when it was made/developed for most of its life