I agree with you mostly, with the exception that I think it used to mean "insane school of thought", but more recently people have been mislabeling those who ha

I agree with you mostly, with the exception that I think it used to mean "insane school of thought", but more recently people have been mislabeling those who have a non-mainstream school of thought the same in an attempt to slander. The effect seems to have weakened the term, and given power to some ideas which may have rightfully been conspiracy theories in the traditional sense.