I agree that people lack opportunities and that's a failure of the system, but I think the problem isn't limited capital. I think the problem is the monopoly on land ownership. If there was land freely available, people would happily use it to generate wages, wealth, etc. Obviously land is a limited resource and we can't always just have more "freely available", but a land value tax could remove the monopoly and create new opportunity for development that's otherwise hindered.

I just read Progress and Poverty by Henry George and he makes this point very clearly. I highly recommend giving this book a read if you haven't yet.