It's actually a pretty interesting pair with the pointer from the other week about Things Rich People Need to Stop Saying. That one was basically about how not to be a Rich Asshole; this one is how not to be a Male Asshole. And it's worthwhile reading for any guy, as a reminder if nothing else. While I knew pretty much everything in it by now, I learned most of those points through hard lessons of screwing up and being left trying to fix the resulting damage.
(Bonus link, also from mindways: a beautiful rebuttal-by-metaphor of the right-wing claim that you mustn't have portrayals of homosexuality in the media because it is "too complicated" for children to understand.)