Hey Clone Head, if your friends boo hoo about what you use when you play against them do what I do. Hold both your hands out in front of you palms down, with one several inches higher than the other. Explain that you an your friend are on different planes in terms of GT3 skill. You are on this plane (shake the top hand), and they are on the other plane (shake the bottom hand.) You have transcended beyond the constraints of mere button mashing, and perhaps, one day, if they are very dilligent and practice really really hard, they too may one day sit on your plane of existence.
I have found that creative trash talking works far better than run of the mill "You suck" type banter.
If you do resort to this, press the issue over and over, and start refferring to your friend as "Grasshopper" when you play video games. I gaurantee you'll enjoy the results.