There is no excuse for racism.

Chinese born Australia, Steven He, declines a job for Brazilian born Australian, Nilson Dos Santos, because “you’re black? my customers are white. I don’t think they’d like to have their coffee made by black people. That’s not part of the coffee culture. You’re African”
http://www.sbs.com.au/news/article/2014/08/18/sydney-caf-owner-refuses-hire-black-barista-cops-online-backlash