Even if you're "stuck" at 1, a person with a reasonably high salary can buy equity in the public stock market and start capturing exponential growth. And if they can outperform the market by even ~5% that can really add up[0]. Not to billionaire status but maybe it's okay to not be a billionaire.
[0] Big "if" obviously but so is a 15% monthly growth rate in revenue.
Put the robinhood app on your phone and start investing in stocks for less than $100.
Did you build wealth that way? $100 fund and stock trading?
I started investing in stocks at my first job at Boeing, on an entry level salary.
That's not the question.