I’d guess money has a lot (everything) to do with it. The Linux gamers market is not big enough to be worth the investment.
It's not just money. Some companies did DVD linux ports 10-15 years ago which haven't been installable in years. The linux environment isn't as stable as windows.
With the steam deck, this might not be true anymore given how a bunch of big games made sure to be steam deck verified
It's not just money. Some companies did DVD linux ports 10-15 years ago which haven't been installable in years. The linux environment isn't as stable as windows.