I think the flat billed caps we are talkimg about are the ones that are trying to emulate ghetto culture. I don't think someone like Snoop Dogg wears a flat bill because it keeps the sun out of his eyes. He does it because it is counter-cultural.

"The true soldier fights not because he hates what is in front of him, but because he loves what is behind him."
-G. K. Chesterton