If Proton keeps getting better, it won't matter. I mean it matters, because this is clearly where governments should step in and bust up the monopolies, but they obviously aren't going to.
Might become a problem if Microsoft starts making all their games windows store exclusives. Doesn't seem to be their strategy right now, but it's always a danger.
Exactly. They won’t do it now while their Activision/Blizzard acquisition is under scrutiny but they could easily adopt a new strategy in a few years that restricts purchases through stores Microsoft controls