Leslie Feinberg wrote something similar -- that the societies that punish homosexuality and transsexuality the most also tend to be the most sexist, because any sort of gender variance threatens to undermine that all-important dichotomy.

Whipping Girl looks fascinating, and I think I remember seeing a copy at Half Price Books near my house; I'll check that out next time I'm there. Transwomen get so much shit from all quarters...

But now I'm curious -- if Jim Butcher's not that bad, then who IS that bad? :O