I bet millions of moved to deno, the javascript runtime... and they are ending support next year... after running for a few years only. You seem to be not questioning them.

Second, majority of apps do not last 2 decades.. and that is okay... someone else can fork the repo and continue if needed.

Are you even remotely aware of what the project this thread is about is?

If not you may want to familiarize yourself:

https://en.wikipedia.org/wiki/QGIS