Why didn’t Rav Moshe, the Satmar Rebbe, Rav Ahron Kotler, Rav Pam, the Rambam, Rav SRH, the Vilna Gaon move to Israel?
Besides, it is generally the OOTers, with their large house, lawn, and gardens that would be loath that Moshiach come too fast, lest they have to give all that up.