Peter Thiel has a blunt test for whether a startup team is thinking clearly. Watch how they talk about their own outcomes. His observation: when founders start framing results as luck — "maybe it works, maybe it doesn't, so let's just invest a little and see" — that's not prudent risk management. That's a diagnostic failure. The mechanism is specific. Luck-framing doesn't emerge from humility. It emerges from not having done the analytical work to understand *why* your business will win. If you've truly mapped the competitive dynamics, the customer psychology, the timing — you don't describe the outcome as a coin flip. You describe what needs to be true and why. The portfolio mindset ("let's see what happens") is what you default to when you don't have conviction built on evidence. Thiel's sharpest version of this: the founders of Google, Amazon, and Apple in their early days weren't operating on hope. They had specific theories about why they would win that others couldn't see yet. Bezos mapped out why e-commerce would scale through selection and logistics before the market existed. That's not luck-denial — that's rigorous foresight presented as conviction. When a founding team tells you "we'll figure it out," the question isn't whether they're optimistic. It's whether they can articulate the actual mechanism of their advantage. If they can't, the luck framing isn't a personality trait. It's a capability gap. Blaming luck is what you do when you've stopped thinking.