I think this downplays some of the work Valve/Steam has done for Linux, especially recently.

For a long time, playing games on Linux wasn't a "nerd" thing, it was a "nobody" thing. Getting AAA games to run on Linux was a pipe dream.

Valve has put in the work (and in some cases, hired the people putting in the work) to get us to today, where most games work with decent performance (the major exception being anti-cheat, but Valve is slowly working on those as well).