they can do whatever they want to do
If you're from the USA you have mother fuckin' freedom
All are or were christians and the Jewish book is the basis of their religion. So it's like a religious thing.
If you dont like Jews (if that's what you're saying) There are a BUNCH of islamic kindoms with open sewers, dung flies and oppresion that will high five you when you get there.
If you're a communisum f8g then there are a bunch of communist dictatorships that will be super happy to see you there