A few sites I frequent have put up this site's recent post on how to confront a person who dressed up as an Indian for Hallowe'en. There is plenty that could be said about the site as a whole, but illustrations of points I have previously made always strike me as more fun to point out. Adrienne K casually mentions the point that she's a Ivy League Researcher, and yet she descends immediately to sneering at this guy who is so not cool, and actually does include "eyeroll." Whatever her IQ is, she's still in highschool socially. So I see no point in analysing her unreason further. Her purported reasons are irrelevant, even to her.
I may be overestimating the frequency of this put-sophomores-in-their-place mentality among SJW's, but I'm not making it up.
Speculation: late in my college career, I still toyed with the idea of going on and making my living in theater somehow. As a jack-of-all-theatrical-trades, there weren't any obvious routes to that, but I was then even more arrogant than now, and sure I could pull rabbits out of hats. Yet working with traveling companies coming in and famous guests brought in for lectures and other visiting scholarship, I decided that the farther up one went in theater, the worse people were. I think that may be the case with SJW's as well. Lots of nice-enough people who get a little thrill from looking down on those immoral conservatives, but generally aren't insufferable may be common. The genuinely infuriating people I know in the flesh, who seem to have a streak of real evil underneath their kindness, occur with more regularity among the powerful: psychiatrists, well-paid attorneys*, consultants, administrators.
So we assume that Adrienne K is one who wants to move up on the SJW scale over time, prizing her feelings over those of others.
*The attorneys who represent my patients are generally liberal, but seldom insultingly so. At worst, they speak as if all intelligent people must believe as they do and believe the bumper-sticker criticisms of conservatives. But most of even those don't bring up politics all that often.