There are a lot of very unusual people walking around this planet who just don't fit the "mold" as far as their consciousness goes. Trying to categorize these different people and pidgeon hole their behaviours would be nearly impossible.

From Brad Steigers' "Star People" to "Holy Blood, Holy Grail" and the Monrovian blood line to John Mack's "abductees", there have always been unusual cosmic people walking around with us. They may have flesh bodies, but we still haven't defined the "soul" yet.

>"To say that he had to be an ETI is an affront to the ingenuity of at least some parts of humanity."

Not necessarily. To some degree, we still don't know where intelligence comes from, or those bizarre savants.
(BTW, Dr. Greer uses lasers..........)