In addition to understanding the religious implications of the Churban, for example, we can also understand the historical processes that led up to, culminated in, and followed events like the destruction of the Second Temple, the defeat of the Bar Kochba Revolt, the Crusades, the Inquisition, Tach V’Tat, and the Holocaust.
Simply put, for all of those “historical processes”, we Yidden needed a Potch. I trust Hashem that we needed it.