Namari doesn't think its is possible or wise to ressurect someone after been eaten by a dragon. That is probably true from what I have gleamed from spoilers
There is so much wrong with that. But I will restrict myself to watsonian reasons that isn't done.
Brimless witches are forbidden from modifing their bodies, and minds with the exception of erasing memories so it would be illegal to get rid of the gays that way.