Actually Jews knew how to feed, cloth, and shelter before the industrial revolution that started in Europe. You see, there was an industrial revolution that started in the Middle East and parts of Africa way before. It is only a a Western idea that the Western standard of industrialization saved the non-Western world from itself. In many ways the Western standard hurt, and still hurts, various cultures that were perfectly fine before Western colonization.
Also, it is important for you to know that often when Jews were starving in various countries it was because the regimes in power of said countries were starving Jews or blaming Jews for their [said regimes] local problems. Prior to such circumstances Jewish communities were doing very well for themselves. This often gave rise to the whole, "Look how well the Jews are doing over there. The Jews are the source of our problem."
See what I mean about that "we" term. Not everyone may agree with your opinion of how the world works and what actually improves it, or even if it is an improvement, just like someoen can disagree with mine.