Earlier quoted context omitted.
I think what people are getting at with this (and trying to be cordial about it as best they can) is that the only people that want to have a separate image for every color person on the planet are racists.
How are they racist? What races are they discriminating against? What racial stereotypes are they expressing?
I think the idea that you feel somehow wrong using images to express yourself that are the color of a different race is just a little racist.