Yet the Jewry in Israel are always under threat. Missiles, rockets, drones, bombings etc etc. They would be less persecuted spread out in other regions. Some Jewry say it is needed as a means to be safe from the extermination of all Jewry. If they feel they need to be safe from that then the last thing they should do is take around 50% of the global population of Jewry, and stick them together in one small location, in the middle of people that they say want to exterminate them! If they honestly believe it is a threat, they should spread out in groups, to be far away from each other. Much harder to exterminate them all that way.