Startup culture has convinced founders that selling a company for $1 billion is somehow the goal. The math is kinda insane though.. In one study of more than 1000 seed funded startups, less than 1% became billion-dollar companies. And even if you somehow get there, you probably don't own anywhere close to 100% anymore. Carta data shows the median founding team owns around 56% after seed, 36% after Series A, and just 16% by Series C... That's split across the entire founding team too! Then…