Replit co-founder and CEO Amjad Masad says many startups begin as premature optimization: founders raise money for ideas they don't care about. "I think a lot of starting startups is premature optimization. I see it in a lot of kids now, where they're part of a group and a lot of their friends are raising a lot of money, and some of them are becoming unicorns." "The motivation becomes envy, a really negative motivation as opposed to a positive one." "They pre-commit to an idea they're not…