

Specific to Ubuntu, not very open for collaboration, and operated by the company who owns the Ubuntu trademarks. Additionally they’ve made it unnecessarily difficult to install non-snap versions of many popular packages. (they removed non-snap versions from upstream Debian repositories).
Vim is well emulated in Emacs, but it really shouldn’t be thought of in the same category.
Emacs is more of an unbelivably editable lisp system to streamline your computing that happens to have a decent default editor.