The Lean Startup methodology is likely applicable only within a very narrow niche: a newly discovered green field with plenty of low-hanging fruit. Web apps in the late 90s and 2000s. Mobile apps after that. Agent integrations now. These are areas where the barrier to entry is low, problems are plenty, and there's space for a thousand flowers to bloom. In contrast, for a company that can't be started by a single app…
Interestingly, this suggests that the Lean Startup methodology is basically a suboptimal strategy that produces acceptable outcomes only in the most fruitful circumstances. You can start a Lean Startup that makes a little bit of money, but if you'd really bet big and put your back into it, you would've done 1000x better.
Taleb does the math as well IIRC, assuming there are x hundred thousand extreme risk takers, and outlier “correct bets” are y% chance, then you will have a surprisingly high number of people with a long series of “correct” bets behind them looking like business geniuses, from pure chance & basic statistics.