An article by Alana Newhouse. She basically says these kinds of people (and they are not just Jews) are still among us.
Excerpts:
Now when Pharaoh let the people go, God did not lead them by way of the land of the Philistines, although it was nearer; for God said, ‘The people may have a change of heart when they see war, and return to Egypt,’” states Exodus 13:17. But it is in the next sentence that a mystery emerges: “So God led the people round about, by way of the wilderness at the Sea of Reeds. Now the Israelites went up chamushim out of the land of Egypt.
Wait—what? The Jews went out of Egypt how? What does “chamushim” mean? It is generally translated as “armed,” but nearly all commentaries note that its definition is, in fact, uncertain.
Into this breach arrives the legendary medieval Torah commentator Rashi, with a startling assertion. After acknowledging the “armed” option, Rashi offers, with casual sangfroid, another idea: That “chamushim” relates to the Hebrew word for five, and the text should be understood to be saying that only one-fifth of the Jewish people chose to leave Egypt.
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