At some point in the last years, playing games on Linux turned from fiddling three hours with a Wine config to maybe get an hour of 30fps before the next crash into a legit better experience than Windows that works out of the box in most cases. That did sell a lot of people on giving it a try.
I guess it happened when Valve went all-in on Proton. And Microsoft first adding ads into Windows and now forcing their autoplag on everyone helped a bit, too.
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