“Seeing white girls as targets of abuse is a cultural issue, and these criminals believe there is nothing wrong with it.”
I suggest you hang a few of them and deport the rest. That should end the problem quite handily.
Burn these scum alive, in public, and the problems goes away.
I would prefer crucifixion but it takes three days to die and some people might think that too harsh.
We simply must not disparage things that are, after all merely cultural differences.