Your sense of smell smells like another manifestation of privilege. Don't allow yourself to believe you do not operate from a position of extreme privilege. Be human, but not delusional.
As for my supposed 'privilege', whose accomplishments are so ideologically pure that you can't trot out that old chestnut? Do I have to be a gay black irish trans jew to be able to take pride in anything I've achieved, or is there some other marginalized minority who is even more downtrodden that I should aspire to, if I want my accomplishments to mean anything to the workaday SJW?
Normal doesn't mean fair or right or harmless or good. That's what the article is about.
So why did he say it?
A person whining against somebody using "his" culture, blindly ignores the fact that "his" culture is crossbreed that is constantly changing and evolving.