He's trying to protect his business from a hostile actor - Microsoft. They are attacking others like Valve by radically changing the rules for what goes on Wind

He's trying to protect his business from a hostile actor - Microsoft. They are attacking others like Valve by radically changing the rules for what goes on Windows, and creating their own gateway. So what's "questionable" about that? The move seems pretty clear cut to me - it's a defensive move against Microsoft's obvious trend for a closed garden of apps and games.