I don't bother asking this question anymore. The question "Why?" is something Aspies tend to get stuck on, regardless of the subject and whether or not the question can even be answered. Some things just do not have a reason for being.
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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.