You said — Theres essentially no realistic, serious, comparision. They are about as different to the serioius investigator as night vs day.
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As with many things, it turns out that when you have a controversial topic, things fall into several categories.
Source material...
(1) the original topic (raising questions and needing explanation)
(2) the hoaxed topic (put out/disseminated to deflect from the original topic)
Explanations...
(1) a debunking of the original topic
(2) a debunking based on the hoaxed topic
(3) an analysis of the topic (i.e., the investigation including legitimate and kook investigators)
(4) a conspiracy related to the topic (forming a bigger picture, or a whacko theory)
(5) several rational explanations (different reasonable opinions)
(6) several irrational explanations (including some who want to be reasonable, but are incompetent, along with debunkers, who don’t care about being competent)
(7) and then the comics... LOL...
AND THEN, you take all of the above, throw it into a pot and stir..., and voila, you’ve got a bunch of webpages on the Internet... :-)
LOL.