And the guy in question is, simply put, a nutjob.
I don't even disagree with the idea of ditching X11. My criticism is timing; statistics like this show 90% X usage, either instead or alongside Wayland; it's clear most users still use X11, in one form or another. It's like making a street cars only when most people still use horse chariots.
In the same style of your husky: when my cat is too hot she still sleeps almost completely covered - except the paws and tail. It's hilariously cute. Pic related: