You can criticize racism and sexism without entrenching yourself in identity politics.
I have this tattoo on my neck: http://imgur.com/iCUhxw5
It means non-identical, as I refuse to let race or any other bogus concept define my identity.
It seems to me that some have forgotten that race was invented just a few hundred years ago in Europe to justify colonialism and slavery. It’s othering in its purest form. Biologists have long rejected this as scientific nonsense. Why are you embracing this crap as if it were God-given?