You're lamenting the use of time by people, but you are not those people's boss.
People work on what they want to work on. There is no rule that people who worked on Wayland (and I happen to think they did a great job) would have worked on Xorg instead, or that the original motivations for building Wayland are invalid.
Well that's the issue with free software isn't it. In properitary software people work on what their boss tells them to work on which is decided by market research based on what people want.
Others said in this thread that Wayland in many ways was more so trying to solve issues for developers than for users and that's true.