To be fair, female circumcision is far more horrific than male circumcision. It often involves cutting or burning off the clitoris and is explicitly a method of controling the sexuality of women.
That said, male circumcision is also bullshit and a violation of bodily autonomy.
It is expected that the gm will tweak things here and there for whatever reason, its part of their job. Its considered a major faux pas for a player to look at the statblocks of monsters you are fighting.