That's because the reality is that screen tearing happens due to hw changes in certain GPUs and not X11, and Wayland compositors dumb down the GPU interface tha

That's because the reality is that screen tearing happens due to hw changes in certain GPUs and not X11, and Wayland compositors dumb down the GPU interface that they need to synchronize in userspace anyway and thus lack of sync logic in intel gpus doesn't cause tearing anymore.