This is a broader question Are any values objective or subjective. All values I suppose are in the end going to be subjective. But I think the ones that we can most easily agree on. And the one's where there's an objective standard, anyway, that doesn't require you to read my mind. Let's find a standard where we don't have to read each other's mind. Microaggressions require me to try and read your mind and work out what's going to offend you and what's not. I don't have to read your mind to know you don't want me to punch you in the face.