My guess is that it's similar to an ouija board in which no individual feels in any way responsible for the outcome, but all have a part in making it happen.
I never really understood how making decision by consensus was somehow proof of divine backing.
Decisions through consensus building is the Quaker way of doing things. Quaker meetings are funny, though, there's little said, and more than a little sad as well.
@Londo111
Excellent quote! Very insightful and true.