Because they are people and each one is an individual and not locked in to a “hive” control of their minds.
Some are liberal. some are conservative(politically) some are damned hostile.
That is the nature of Americans of EVERY ethnic or religious origin.
Some are Zionist. Some are not.
Some are religious some are secular. some are traditionalist some are opponents as in Mitnagadim.(Google that)
It all depends.
Some laugh at your belief in a secoming of Jesus, some laugh at the coming of the Mosiach (Jewish Messiah's return).
Leave it alone. All you will do is give your self a headache.
I know thousands of Jews(am one) and each is as different as a drop of rain water in a meadow's pool.
