Users start complaining about x thing or making suggestions.
Dev replies are like "if you want to improve it, PRs are welcomed".
Users start making PRs, but are totally ignored or forgotten by devs
Devs wondering why their apps are not used.
Users already moved to other things.... because those apps are not "open source" anymore, just centrally maintained by a single dev that ignore all PRs.
Congrats!
Related joke
Dev making a FOSS app.
Dev replies are like "if you want to improve it, PRs are welcomed".
Devs wondering why their apps are not used.