Well this just goes to the core of your view on the role of luck in life. Are there 1,000 startups coming out of YC every year and 5 of them are run by geniuses who single handedly disrupt loads of markets. Or are there 1,000 startups coming out of YC every year full of roughly equally good people 5 of which get extremely lucky and make boatloads of money.

Airbnb just forked hotels, Stripe just forked Visa.