When you solve a problem it either benefits the rich or the poor. Job creation benefits the poor more than the rich. However when the government gives people like Elon Musk the permission to build a gigantic Tesla Battery manufacturing factory in Texas, it benefits the rich because they would buy more shares in the company, making it more profitable, also he doesn't get to pay taxes. It also benefits the poor because of massive job creation.
Lastly, the problem of the poor soon becomes that of the rich if it is not solved.
Is just that without the poor the rich can't completely achieve their goal, because if you look at it this way like you said there would be massive job creation. With that you don't expect the rich after buying shares they should still be the ones to engage in both the laboring department, no. That's why I said without the poor the rich finds it hard to get to their goal.
In short, manpower, poor people do the dirty work, but the rich work with their brains and their money, which is why they earn more. No matter what it is connected to, poor people can't also buy their needs if they haven't been employed by those rich people, and rich people can't earn a single profit without the manpower that is coming from poor people.
Let's say you purchased a share from the company of Elon, which only the rich can afford. If the company is successful, the rich also gain more profit, and guess what? Those employees received an increase. No, the managerial people or supervisors received the raise, not those below who keep their hands dirty and just take orders from above.