Being able to change your ethnicity when getting dressed in the morning would solve a lot of problems right? Wrong.
Lobbyist groups complain that swapping to having black skin is cultural appropriation.
Race segregation and neo-nazi groups have been driven underground and commit terror attacks having failed to stop the technology through legal means.
Asian counties are loosing their ethnic diversity, with people choosing to be Caucasian, whitewashing their own culture.*
*This last one actually already has some horrible shit like snail oil skin whitening.