I’ve no idea what you’re on about now.
The whole reason why SteamOS exists is because Microsoft introduced the Windows store with 8. It looked like at the time Microsoft was going to push that all software for the windows platform was going to have to go through their store.
credit other people’s work to them
Things like Proton, Fex, and SteamOS?
shift the topic away
I really don’t think you understand why people like Valve. I’ve explained it above, go back a reread my comments on gamers getting a real choice on running an operating system of their choosing.
loss of another venue for ownership
Again, reread my comment where I call it bullshit. It wouldn’t be a problem if there was another store from which to buy from.
something not even GOG lets you do
Well, no. GoG isn’t going to actively promote piracy. It isn’t going to stop them from telling you exactly what I told you to do though. Whatever you do with your copy is totally up to you.