"Hyperbole" is just a euphemism for strawman. No one said PC players don't buy shark cards. You made their argument look ridiculous by misrepresenting what they said. That isn't a good faith argument to begin with.
Yeah it can only get so good before Windows starts to show its ugly face. Steam Deck works so well because it runs games within it's own compositor with absolutely no bloat or distractions.
From was a big part in paving the way for Japanese console games to come to Steam in the first place with Dark Souls in 2012. Most of their ports are perfectly fine.