Lol man, I dont think its just the minimal physical activity required to control a simulator that gets people sweaty.. I think a huge factor is the excitement, the intensity, the adrenaline that does it. Add that to the few degrees over your comfort level and you get, well, this topic...
If you have a high aerobic fitness level you won't be sweating easily because of the excitement. Both your base heart rate/resting heart rate will be lower and you'll be used with the high physical/mental strain at high heart rate. But if you're obese or inactive... then sorry
Even FE drivers, who don't experience any high G-forces are quite fit and train extensively because the mental stress is quite high...