A belief that promises 72 virgins is more than a bit questionable.
Why does a man get 72 virgins, but the woman will be provided with only one man?
...And what the heck happens on day 73?
A belief that women require genital mutilation is not a religion.
A belief that the majority of the inhabitants of Hell are women is not a religion.
A belief that women are deficient in intelligence and religion, and because they are ungrateful to their husbands is not a religion.
A belief that advocates hate against people of other religions is not e religion.
A belief that allowed Muhammad to take a 6-year old wife is not a religion.
A belief that the penalty for apostasy in Islamic law is death is not a religion.
There are so many beliefs in Islam that are so morally corrupt, Islam can only be considered an ideology.