Product-market fit isn't found in a spreadsheet; it's forged by obsessing over friction points and doing the high-touch, unscalable work that builds radical trust between strangers.
Real innovation often comes from being an outsider who experiences a daily friction and persists through repeated rejection by mastering sales psychology before seeking capital.
Longevity and exponential growth are often the result of surviving mid-journey catastrophic failures and doubling down on under-monetized architectural bets (like CUDA) before the market validates them.