While I appreciate his warnings about keeping away from kefira, his economic plan is severely lacking. Having faith in Hashem is not an answer for most people. See Brachot 35b (maybe 36b) where it says that the way of Rabbi Shimon Bar Yochai (learn only) doesn’t work for most.
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” Those gedolim who decided what they decided, feel a total sense of responsibility and empathy towards every single one. They feel each person’s pain and their hardship in earning their bread. “
In Brachot, around 25-26, Rabban Gamliel visits the home of Rebbi Yehoshua and is taken aback by the poverty. In that case, the Gadol had no idea how his own colleague was living until he went and saw it.