I think laziness is the most common reason. They want their distro/WM/DE/apps/etc. to not drop Xorg so that they can continue using their system the way they wa

I think laziness is the most common reason. They want their distro/WM/DE/apps/etc. to not drop Xorg so that they can continue using their system the way they want. And if push came to shove, they'd probably just live without it if they couldn't keep being lazy about it.