Even the paper you linked to doesn't claim that equality CAUSES unhappiness. A correlation might exist, but some of the authors' suggestions include:
if happiness is assessed relative to outcomes for one’s reference group, then greater equality may have led more women to compare their outcomes to those of the men around them. In turn, women might find their relative position lower than when their reference group included only women.
or
simply a change in how women answer the question.
(i.e. it's more socially acceptable to claim unhappiness)
I didn't mean to suggest that a single, slightly related, research paper demonstrates causation between the two variables, merely that it is a piece of disconfirming evidence for the statement I quoted.
Upon reading Eliezer's possible gender dystopias ([catgirls](http://lesswrong.com/lw/xt/interpersonal_entanglement/), and [verthandi](http://lesswrong.com/lw/xu/failed_utopia_42/) and the other LW comments and posts on the subject of future gender relations, I came to a rather different conclusion than the ones I've seen espoused here. After searching around the internet a bit, I discovered that my ideas tend to fall under the general category of "postgenderism", and I am wondering what my fellow LessWrongians think of it.
This can generally be broken down to the following claims:
EDIT- Due to some really insightful comments;
I replaced men being prone to aggression as a negative, with men being prone to suicide.
I made the verbiage a little more explicit that no one would be *forced* to change, but would seek out the changes that transhumanism would have available.