Seriously, of all the things to get upset about...
At least Proton (on paid plan anyway) doesn't spam you with the promotions, unlike the competition you can tell them to fuck off after showing it once instead of "remind me later".
"We want to make it as easy as possible for the 2,500 games on Steam to run on Linux as well," said Mr Newell."Windows 8 is a catastrophe for everyone in the PC space."
They naively expected publishers and developers to give a shit.
But after that failure they worked hard for years and contributed and donated to open source projects.That allowed Linux to become a true competitor in gaming space with zero vendor lock-in.
Whatever their reasons were, the results are objectively positive for nearly everyone.
Maybe? It's not like google search is worth much these days.