Lack of participants isn't the problem. Reasonable people will discuss things in a rational manner. I've noticed that at the extreme ends there can be no discussion, only a belief that there's only room for one point of view.

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Plug me into somethin'

If the theory does not conform to the facts, then the facts must be discarded.

No good deed ever goes unpunished

Never argue with an idiot. He'll drag you down to his level, & beat you with experience.