Earlier quoted context omitted.
It's very hard to believe that this redefinition of the word racism was done innocently. On its face racism is act of distinguishing people by race for favor or disfavor. When it is redefined as it has been in the humanities it leaves a vacuum. There's no longer a word for the concept that racism originally referred to.
It's not taking anything away--both definitions are valid and commonly used. It's just up to the pair of you to realize you're talking past each other. She'd probably have no trouble agreeing that white people can be the target of bigotry just as you'd agree that white people are rarely at the pointy end of broader systemic injustices, at least in this society. Much as it may be fun, I'd caution against attributing i…
In my experience there's one definition used by the general public, and another used by social justice warrior academic types to prove they have a more mindful world view than you. But that's just my experience.