And in your infinite racism you have classified the actions of those men as what Islam prescribes without ever having done any research.
If they love the oppression of their home country so much, they should stay there.
Most of them fled because America destroyed their country. A culture of death and oppression glorifying its military at every step.
"The West won the world not by the superiority of its ideas or values or religion […] but rather by its superiority in applying organized violence. Westerners often forget this fact; non-Westerners never do."