What about that chinese cat feeder whose app requires a suspicious number of permissions, and requires max version of android 2 versions behind the current one?

Or maybe your security camera has a "free" plan without motion detection, and you just keep the app running with a screen grab on top to do your own AI motion detection.

Or my eero router, which doesn't have a web interface... etc etc.

There's a million cheap hardware gadgets that are going to lose sw support at some time, and stop being functional. This will help a lot with that.