I like Doritos and Mountain Dew but I'm not gonna tattoo it on my arm.
It's not necessarily about being PC. If you're going to permanently stain your skin it should at least have some sort of meaning. It should be a reflection of who you are.
Then again maybe he's a fu*king dense idiot and in that case it kind of is a reflection of who he is.
I think it does have a deep meaning those are stereotypes a.ssociated with his race. By him embracing that he's saying to his haters "yeah I like chicken yea I like watermelon yeah I like money, i'm successful and i'm not going to let some racist peckerwoods dissuade me from being who I am.