Things like the Ford Barn can be, a double edged sword. Often a question will come up where 5 or 10 guys jump in and say " No, you can't do that. No , if you do it that way, it won't work, and often, they are right.....But it reminds me of the story about Edison's lab, where the joke was, always assign the new Engineer to the, " Frost the inside of the light bulb project. " All the senior Engineers would sit around and laugh, because everyone knew you could never frost the inside of a light bulb....that is, until some new Engineer. who didn't know you couldn't do it. Did just that ! True ? but you get my point