I seek to understand the objective standard that allows one type of discrimination while condemning another, perhaps you can provide clarity there? I don't und

I seek to understand the objective standard that allows one type of discrimination while condemning another, perhaps you can provide clarity there? I don't understand the down votes here, I am merely asking for an explanation of the logic used. I'm autistic so I sometimes have trouble understanding things that are obvious to people who are not. Without more data I will have to assume this is exclusively a emotional justification and thus subjective.