You are correct, but I don't see how that's relevant to the point? Am I misunderstanding you?

Windows is much more popular and has many more apps, but I can come up with a handful of reasons why I don't like it or think it is objectively worse.

They often also run on BSD and Illumos. They'd need some specific kernel function to have be difficult to port, and several of the alternatives offer Linux emulation layers for those situations.