It seems you're conflating zionism with judaism. But not every jew is a zionist and not every zionist is a jew. https://www.reddit.com/r/PoliticalDebate/comments/1jl7ops/why_zionism_isnt_fascismnazism_oh_no_here_come/
In several different cultures the symbol stands for hope, love and eternal life. The nazis appropriated it when they believed they were the original Aryans and the original Germans stood at the basis of all major, ancient magnificent cultures.