To continue PQ's point...
Regardless of whether we're talking about M2F or F2M, I think transitioning carries some interesting facets. As people transition as adults, it means that they have often spent many years living and functioning in terms of their original gender. When they transition, all of that information, habits, understanding, etc. continues and is mixed with their new persona to some degree. I mean, you can't just flick a switch and turn off all these years of prior experience. To the extent that the male and female personas coexist, and eventually get dominated by one of the other, can provide a unique insight as to how men and women are viewed in the culture at large. It gives an opportunity to see how the concepts of sexism, male privilege, etc. play out.
