I know more than a few people who prefer Linux but boot windows for gaming. The biggest reason they don't make a bigger effort to support Linux games is because

I know more than a few people who prefer Linux but boot windows for gaming. The biggest reason they don't make a bigger effort to support Linux games is because there aren't enough options. More emulation means more traction for Linux gaming. If windows can be dropped as a requirement for serious gaming, the Linux userbase will grow significantly, and this will help turn the tide.