Je viens de tomber sur une petite théorie pas mal sur APforums :
I'm also in a reread, and I find it significant that the revolutionaries, asociated with transexual operation expert Ivankov, docked in the island where a little girl was having very mixed feelings about becoming a woman, while her dream (according to her) was only possible to be acomplished as a man.
Too much coincidence, that of all the east blue islands, knwon and unknown, oda picked THAT one,