In the world of JS heavy web frontends, Electron and apps like Slack and MS Teams, this article is like a cold shower.
Why not for the main projects too?
Sharing a vanilla codebase can be complicated, but I am finding that it is possible to convert others to this religion with a little bit of pair programming.
Once someone experiences this path, you may find they get hooked on it pretty quickly.
A "monstrosity" as you put it could have been written in any language.