Maybe a couple of thousand. Down in that rag and bone shop of the heart, people need the support of the crowd. The mob's imagination is not limited by experience or common sense. Well fed, rested troops, tanned from the Italian Riviera, and surrounded by what must have seemed like an abundance of materiel, may well imagine that they could conquer Russia. Likewise, a mob of investors can imagine that they will all get rich buying and selling stocks among themselves.
Mobs turn men in to fools.
The hallmark of the 20th century was the abandonment of private life for empty promises of mob politics. Hitler began by promising property and national pride. But people want to believe in politics. Nietszche spoke for the intellectual establishment when he said that God was dead. They were the children Jewish immigrants to America and felt out of place.