Yes, and it also uses web technologies to render themes
As do other DEs to varying extents, including the other "main" DE, KDE Plasma. I don't really see what your point is there.
and has zero sense of usability.
Heavy disagree. The workflow is amazing. To me, using the Windows UX paradigm is clunky and less usable. Gnome is very, very usable.
Perhaps you mean to say that you don't like it, which is fair enough for your own tastes, but you aren't the arbiter of what's usable and what isn't.
Could I just ask what your point is here? I'm refuting the baseless assertion that Gnome is an extremely buggy DE.
If you don't like the workflow then fair enough, it's certainly quite different from the Windows way of doing things that we're all used to, and you're entitled to your opinion that it's not for you, but I don't see how it's relevant to my comment?