I’ve always thought the licensing for Jetbrains IDEs is a pretty fair way of licensing software. If you stop subscribing you still get access to the last version of the software you paid for but you don’t get new versions anymore. And if you stay subscribed you get a loyalty discount after your first and second years. So it provides an incentive to stay subscribed long term but if you do leave you still get access perpetually to the last version you bought

Bazzite has a KDE version too. I think it is more popular then the GNOME version of bazzite actually. At least according to the results of the latest steam survey