I believe most of the original committers and maintainers of X are long gone, if still around they could very well be in their late 70s and 80s.

I would agree if you said many of the Wayland Developers people started with Xfee86. But I think the 'complexity' of X has to do with the fact no one of this generation fully understand why X11 did things the way they did, so Wayland was started. That is OK, but here we are.

I think the main issue is proprietary video companies did not to release their specs. I think if the Wayland people told the GPU Companies (like Nvidia) they will not support your hardware unless you release full specs, they would be further along.

OpenBSD is getting along fine without companies like Nvidia, I wish Linux and Wayland would tell these companies their GPUs will never be supported until full documentation is provided.