Answer: To discover the upper world, a Kabbalist or two are enough, and after that a few dozen more, and others must adhere to them. Everything descends and moves downward in a pyramid.
Today, those who methodically study the wisdom of Kabbalah in our world community are enough to be ready to bring the upper Light into our world. What remains is only for the rest of the world to join us somehow.
From the Kabbalah Lesson in Russian 9/3/17