[danmaz74]

This is because your average iPhone user cares more about what phone they're using and simply uses it more >>> has more money

FTFY

[genericpseudo]

More "chooses to spend what money they have on a phone" plus "has the money to spend", which is almost but not quite what you're saying. I know some very rich people with whatever Android device the network gave them. They just don't care that much.