No it's not. Skin color is preset and an obvious fact. This is a mindset and some mindsets can be detrimental.
Really? It's a mindset? So that means you could change your mind and become gay if someone just gave you good enough arguments?
I have yet to see people going from door to door, asking people "Have you thought about questioning your sexuality lately?"
If you can't change your mind on your sexuality, then either you are unbelievably stubborn (the kind of stubborn that is not a good match for discussion boards) or it is not a "mindset".