Traceable from all Monotheisms, one of which is claimed to be the foundation of western society.
Have you ever met middle-class Muslims in hardcore Islamic countries? It is never about immigration itself, but immigration of
poor people into a country with social welfare but zero hope for the low-skilled to build any future, where their existence is seen as entirely negative and their culture despicable. To live like that is worse than having no life at all.
PS: and we had discussions where poor people are considered more moral, ha!
Someone posted this in another thread, you can see how Muslim immigration fare in US:
Malaysians, Pakistanis, Indonesians and Bangladeshi - you see those rich immigrants in US throwing away their life for religious nonsense, starting patrols to slap women or calling for Sharia laws?