Then why would the PS3 and Xbox 360 be bought by poorer families when they cost more?
Ghetto Jimmy: "Hey Mommy, I want a game console for Christmas!"
Ghetto Mama: "Alright, how about this $500 PS3?"
Plus, I don't know where you got the idea that young gamers are the largest demographic. I've heard that the average age of a gamer is 30, but if you have a source saying otherwise, I'll be happy to agree with you.