You have suggested that male Pakistanis are culturally inclined to procuring underage girls for sex.
No I have not.
That suggestion was made by eminent anti-racist people, with far more knowledge of Pakistanis than any of us, and mostly actually Pakistanis themslves.
Of course I believe them.
Why don't you?

It doesn't matter whether they succumb or not,
Of course it does.
It does not matter what tendencies someone has.
It only matters if they succumb and actually do a bad thing.