This raises two other questions, though: 1) Was their success due to their idea being weird and nobody else was brave/crazy enough to pursue it or was it becau

This raises two other questions, though: 1) Was their success due to their idea being weird and nobody else was brave/crazy enough to pursue it or was it because they put in an inordinate amount of effort (and luck)? 2) How many others tried the same idea and failed? I imagine it was a little of both as well as a few other factors, but I find it unpalatable to basically boil it down to "being crazy enough to follow their dreams" (heavy paraphrasing, obviously).