Saying the Mac audience isn't there for games is a mistake. You can't show up for something that isn't available, first the games need to become available and then the audience will start growing.
Linux is the same way, for decades Windows was pretty much the only choice for gaming but now it isn't anymore and Linux will hopefully gain momentum over time as the solutions mature.
Linux is the same way, for decades Windows was pretty much the only choice for gaming but now it isn't anymore and Linux will hopefully gain momentum over time as the solutions mature.