I think they went bust as part of a long-wave cycle, but that is conjecture. They did go bust, though. In terms of wealth creation, having capital is of great merit. It takes money to make money. Start saving yours now.
Invested capital is accumulated over time, perhaps generations.
Later on, you discuss how the capitalist gets to restore his wasting capital assets from the income from the firm. That doesn't sound like anyone can just invest his capital, and live happily ever after without paying attention to his investments. The disparity is equitable, because it results from freely made contracts. I suggest that anyone doubting the results of private contracts has the burden of showing that they are inequitable, not vice versa. Another good reason why capital requires a return to be employed.