Blue Prints “leaniyas daati the whole thing sounds like a shtus (if no yidden are learning then the world goes back to tohu vovohu) but it has it’s mekoros so there you go “
Actually, you are right on both accounts. I saw in the Netai Gavriel one makor is that since the learning of Klal Yisrael keeps the world a float, nittel nacht (which was a night of many pogroms and persecution of Jews) was send a sign to shaymayim of the effect if (chas v’shalom) Klal Yisrael was destroyed…thus gaining rachimim.
DQB