Is it really a "fact" though? I know there are studies out there and that it's a popular opinion. The question is, why? There are near infinite factors impacting "success" and "success" is fluid, but also any statistics used are correlations and generalizations at a massive scale.
My point, is that we cannot begin to determine each case independently. Instead, we should uniformly tax the society for funding society. The ultrawealthy will pay more on a percent based system, the upper, middle, and lower classes will progressively pay less.
> Where you are born, what education you got, and what risks you were able to take has a huge impact on success.
Also, I've seen this thrown around - let's assume this is true. I tend to agree, but you also have to recognize that by 30 years old, we shouldn't be treating people like children. By 30 it's entirely possible making minimum wage to attend college or to take risks. It may have been harder or they may have had to work hard, but there's no reason to make the argument the opportunity wasn't there, because it typically is.