It's a violation of the right to require informed consent.
It interferes with normal sexual behaviour and increases the frequency of divorces caused by unsatisfied women.
Not one single case of another mammal that exists that doesn't have a foreskin and isn't an essential part of normal sexual function.
And Kellogs, yes the cornflakes guy, was the main reason why it started to become a routine operation in USA in the late 19th century, and the real reason was to stop masturbation.
All the other shit that is given to justify it is as legitimate as the "science" behind fluoridation (only helps 7-8 year olds enamel not get so many caries from the acid/sugar laden soda fountains).