What are you talking about? What am I gonna sell a Steam key that is already assigned to my Steam account?
Steam keys are physical, now? That amount that you are spewing out of your ass is immense.
Plenty of console games have DRM, The Xbox One had huge backlash coming out because of always-online DRM. But Valve didn't invent nor pioneer DRM. Steam's DRM is the same, easily bypassed one from 20 years ago. Hell, Valve did more work on Wine making Proton than they did on making DRM, but you're claiming they invented DRM and "[Steam] pretends that they invented Wine".
All three of those links show your plain inability to read. Not one claimed that Valve invented Wine.
No, on Steam games are updated automatically.
TURN IT OFF, THEN, DIPSHIT. GET YOUR HEAD OUT OF YOUR ASS AND CLICK "DON'T UPDATE". You're so goddammed enticed with the smell of your own shit you can't even google "how to turn off auto update".