Not everything proprietary is inherently bad, but you did more than most ever could. It’s those megacorporations & anything “free” you have to worry the most about.

Steam is a weird one since it is proprietary, & you could lose access to your digital game copies but a) most work if you just download them for long-term storage, b) they provide a decent service with deals & synced saves, c) they are privately-held so they don’t need to chase quarterly profits for shareholders, & d) they have done more for Linux gaming than almost anyone else (even if the selfish goal was to break Microsoft’s shackles & later have a hardware device they could sell you that happens to be mutually beneficial for both sides with so many patches).

Deleting everything Microsoft & Google is very difficult. The former I am locked since too much free software thinks it can sleep in the dragon’s den as GitHub. Google, well good luck finding an employer that isn’t using it in my experience & when it comes to using your own email for instance, there’s like a 90% chance the person on the other end is using a Google or Microsoft email account without encryption to get them the whole message anyhow.