This article was written in the sense of bashing gnome but yet some points seem to be valid. It explains the history of gtk 1 to 4 and the influence of gnome in gtk. I’m not saying gnome is bad here, instead I find this an interesting to read and I’m sharing it.
They write a completely new GUI framework. That alone could already tackle some of the problems mentioned in the blog post.
Edit: and please don’t confuse the already existing Cosmic Shell with the in-development Cosmic DE.
Yes I also meant Cosmic DE, which is similar to GNOME in many things.