It’s definitely great for the mainstream. Think of Linus Sebastian who has somehow broken every OS except for SteamOS.
It’s not great for me who uses Arch Linux btw with the expectation that if the system doesn’t break on its own, then I will break it myself.
He can be an asshole, but I believe finding bugs is part of his job.
Would you rather have him find them and complain to a community who might know what they could be, or someone else who will just complain and buy a MacBook instead?