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If you think the ONLY way to gain money is by exploiting other people, you need to go visit a farm, mine, power plant... or any fucking business that exists in the entire fucking world.
Money is not power, it is not limited to a hard cap like natural resources, it is nothing more than a
representation of trade. It was created for and is used as a replacement for bartering where I might not necessarily want your chickens or other random things, and I don't really want my wealth dying off or rotting over time. Trade is defined as me giving you something and you giving me something, and we
both benefit. Nobody willingly makes a trade that is unfavorable to them (ignorance of various factors notwithstanding). Labor is just one more thing that people trade.
Let's say Bob pays Alice to go mine some stuff for him, like iron. Bob gets the iron, Alice gets whatever salary they agree on. But Bob also supplies Alice with tools and organization, something that's difficult for one person to get on their own. Nobody wants to buy mining supplies for just one person. Unfortunately, Bob does not have anything to use that iron on. So he sells it to Carl, who happens to have a forge or something.
Carl pays Bob for some iron. Bob benefits, because what the hell is he supposed to do with raw iron? Carl benefits, because he can use that iron in his forge. So Bob pays Dennis for his labor in the forge. Bob provides a forge and a salary, and Dennis provides labor. Bob gets iron... railings, and Dennis gets money. Now he has these railings and nothing to do with them, so he sells them to Elizabeth.
And so on and so forth until somebody breaks something and wealth is lost, or whatever else may happen to remove wealth. Everybody gains money because of that initial investment into the iron mine. There is not a single person that lost money. In fact, every single person gained wealth. That is society, that is money, and that is trade.