>>103749800Men are more likely to be on either extreme of any given trait. Just as likely to be unusually neurotic as unusually resilient, and the same for things like aggression, competence, obsessiveness, etc. It's not that women are incapable of such extremes, they just statistically tend to fall towards the mean.
So basically the average male personality just feels more 'real' than the average female personality. And the same is true of skills, achievements, goals, and so forth. It's all evolution based. You do not want females of a population to be anything other than stable and predictable, and males are incentivized to take risks and be different in order to attract mates or at least contribute to society in some way. You'll never have a female Isaac Newton, simply because Isaac Newton was a horrible mess of a human being in ways only a male could be. But from that, society advanced.
Also, more to the point, I think there's an inherent appeal in the witnessing of a female 'blossoming'; which is to say beginning to take on more feminine, or more maternal, or just generally more attractive and alluring traits. A tomboy being put in a frilly dress satisfies this, as does a fairly average feminine girl showing up suddenly wearing her running clothes. It's not the details that matter, but the fact some sort of change or growth or maturation is happening that is appealing. Again, this is something evolution wants to encourage - it is good for the whole if a young girl is encouraged to self improve. Young males, on the other hand, are looked down on and given 'tough love' rather than outright approval over every little change they make.
All in all, genderbender art is hijacking the same instincts that were with us when we squatted in caves. While objectively it's a male turning into a female, our instincts see it as a young girl becoming a woman and gaining secondary female sexual characteristics.