How does this differ from companies and elected officials openly saying right now that females and minorities are preferred for X position, like vice president of USA or CEO of Reddit?
It doesn't, but you can't discriminate against white men. /s
There's legal and illegal discrimination.
Some forms of legal discrimination do amount to discrimination against White people.
When we say "Discrimination is wrong" we are almost always talking about illegal discrimination.
Just crying out that "But.... but you said discrimination is wrong!" really isn't the 'argument' you think it is.