Large communities don't constitute help or progress on the "beyond the realm of feedback" problem. In the absence of feedback, how is a community supposed to know when one of its members has made progress? Even with feedback we have cases like psychotherapy and dietary science where experimental results are simply ignored. Look at the case of physics and many-worlds. What has "diversity" done for the Singularity so far? Kurzweil has gotten more people talking about "the Singularity" - and lo, the average wit of the majority hath fallen. If anything, trying to throw a large community at the problem just guarantees that you get the average result of failure, rather than being able to notice one of the rare individuals or minority communities that can make progress using lower amounts of evidence.

I may even go so far as to call "applause light" or "unrelated charge of positive affect" on the invocation of a "diverse community" here, because of the degree to which the solution fails to address the problem.