Why do people say Gran Turismo isnt big in NA??????

[shanbcn]

^^
Madden 02 released in 2001, just like Madden 03 released in 2002. With sales of 2.38 million and 3.18 million. I think GT3 sold 4 million in USA in first two years and another 500k in Canada. So at must i belive only 1 million comes from bundles.