When twitter was first pitched, how many people would have said that the idea sucked? What about airbnb? Kickstarter? pinterest? The list goes on and on. VCs m

When twitter was first pitched, how many people would have said that the idea sucked? What about airbnb? Kickstarter? pinterest? The list goes on and on. VCs make money by betting that only 1 in 100 of their investments will be a success. What makes you think that a random person at a start-up event will have any more success.