By definition there is one correct hypothethis(as far as scientific consensus is established) and infinite number of wrong hypothethis. If community provides an

By definition there is one correct hypothethis(as far as scientific consensus is established) and infinite number of wrong hypothethis. If community provides an opportunity for its members to hear multiple opinions, correct hypothethis will be drowned in the deluge of wrong ones. Cognitive capacity is limited and gatekeepers sometimes are a good thing. Peer reviewed journals is one example of that.