Klal Yisroel was forbidden to return en masse to Eretz Yisroel prior to the arrival of Moshiach.
Furthermore, the fact that Rav Moshe Feinstein, Rav Aharon Kotler, the Chofetz Chaim, Rav Chaim Brisker, the Chasam Sofer, the Rema, Tosfos, Rashi and so many other Gedolei Yisroel (the vast majority) didn’t, answers your question.