When rational, reasoning people are "shouted down" and crowded out from interesting discussions by the same half-dozen trollish individuals whom the moderators usually ignore, that makes the rest of us reluctant to join in any discussions or even start new threads.
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.