Running windows from Bootcamp shouldn't have anything to do with issues with any gaming. Your booting into it, not running OSX and Windows simultaneously. Though Im sure Apple could make the experience better without making the fans kick on all the time.
correct. you're not 'running windows from bootcamp', you're running windows.
bootcamp is the software that lets you install windows through osx, and makes sure all the drivers for apple's hardware on the laptop talk to windows correctly (trackpad, audio, video - which can all be changed if you want).
The only time you run windows through osx is through vmware/parallels, which runs both os's simulteneously - which puts more strain on the cpu and has an adverse affect on the performance of the emulated os (windows).
all macs have had intel chips (x86, now x64) since 2006, meaning they can all run windows natively if you want. I can't believe it's still 2013 and people still think bootcamp is some sort of emulation software.