The secret sauce is generational wealth. People whose parents are extremely well off have a larger chance at succeeding in building their business. Not only does their parents have money, but also the right connections at that wealth level. They basically manufacture their own luck, and their money buys time and labor to get their product first to market.
Sometimes the average joe can taste certain components of that secret sauce, because they're brilliant and hard-working, and was at the right time and place. But it's a very rare occurrence.