It should be called „me being patronising to other people”. Kinda „I am so smart” material.

No, it has not „always been fine” - I’ve worked with people who disabled auto updates on their dev machines just to keep a specific kernel & driver version working together. Circa 2016 :)

Some countries have pretty strict laws about not promoting Nazi ideology - by pushing that notifications it would probably be breaking that law.

Stolen? It was forked as is allowed by the MIT license. With GPL as well there is no „you cannot fork” rule, you can do exactly the same thing. The author misunderstood that „you have to push the changes to upstream”, which is not in any of those licenses.