They will use that $1500 on more RAM, a better graphics card and CPU etc. They aren't going to pay $1500 more for a machine with the same specs because it's Apple.
They don't care about things like ecosystems, aesthetics, support, user experience, resale value etc. Gamers try to get as much power for their buck as possible. And when the Macs that can actually support high performance games are considered - this excludes the MacBook Air and many lower configuration MacBooks meaning you are basically talking about MacBook Pros and iMacs - then it gets much smaller. Yes but only a fraction of total PC users.
The numbers from the recent quarter report just shows that there are more Mac users then ever.
You just need a to make a platform they could use and they will come.
