HN users consistently underestimated the success of various startups, including Dropbox, GitHub, Uber, Airbnb, Stripe, Instacart, Figma, Tailwind CSS, Warp, Bun, ChatGPT, Cursor, Windsurf, and Claude Code, often dismissing them as unviable or too complex. Despite initial skepticism, these startups went on to achieve significant success, with some reaching valuations of over $100 billion and ...