Earlier quoted context omitted.
It seems like you haven't quite got the concept of open source. If everybody consumes and nobody contributes, how long will that last? A while back I bought a cheap robot vacuum. Their scheduling feature didn't meet my needs, so I reverse-engineered the protocol and open-sourced a cron-friendly CLI tool and a library so people could do other things with it: https://github.com/wpietri/sucks Honestly, this was a mistak…
IMO, I think the golden age of completely FOSS apps (no open core) is ending/has ended as users expect more features and apps struggle to meet demands without effective monetization. I think open source will always have a place for libraries and tools, but end user applications will either become open core or no longer open source.
I think mobile was a reprieve for commercial software and UX specialists and the increasingly negative comments on new OS versions indicate it is close to done like desktop.
For every user that likes a change there are 19 that prefer the flow they already learned to stay exactly the same and at least half are looking for exploitive attempts to modify their behavior in anything a publisher changes.