For the record I was not attempting to prove Bigfoot was real. Instead I was trying to suggest a reason why people might see a large hairy hominid instead of a bear, wolverine or other more common creature.
It is called Pareidolia: seeing what isn't there, projecting something onto it instead like the man in the moon or Jesus on a piece of toast.
The popular media is clearly the vehicle by which
millions of people have found out about bigfoot: countless TV shows, books, internet sites, etc.
Proposing it is knowledge (fear) hidden away in the DNA, but then coincidentally awakened at the same time the media hype occurs violates occam's razor, not to mention common sense.
I don't think that everyone that "sees" a Bigfoot is a liar, just mistaken, but subsequently convinced that they saw a Bigfoot.
It has been shown the power of suggestion influences pareidolia. It is so pronounced that it is used to diagnose what is on someone's mind - the Rorschach Inkblot Test. Because what is on your mind will be "seen" in the inkblots.
Since we know people "see" what is on their mind, it is trivial that having bigfoot on your mind causes you to "see" bigfoot. You watched Finding Bigfoot, you read the BFRO threads, you went out into the dark woods to find evidence of bigfoot - and surprise! You see bigfoot.
Real hominid interactions are interesting. We have them immediatly at hand. A bigfoot-sized one. The largest of the Great Apes - the Mountain Gorilla - was first broadcast to Western Civilization in 1902. Gorillas had been known long before, and fear of them exploited in famous circus show acts like the girl-to-gorilla trick.
The magician closes his show with the female assistant turning into a gorilla suit storming out at the audience, causing them to panic. The illusion is done with the use of lighting and mirrors, plus a gorilla suit. This illusion was extremely popular and was performed for decades through the 1800's. The Romans had all kinds of animals including gorillas at the Ampitheater for entertainment. Organ grinders used monkeys through the 1800's to collect coins. The Spanish knew of the new world monkeys by the 1500's, and that there were none in the North Americas.
These mountain gorillas discovered in 1902 were immense though. Over twice the size of an average man. So in the pre-bigfoot era, we DO have a real life "bigfoot". A real hominid very active in the popular mind. It was not difficult to transplant him to the Himilayas in that popular mind less than 20 years after its discovery. Once the Yeti craze got underway, it was copied by hoaxers in the USA, and named bigfoot in the 1950's.
This is the direct, known pedigree of bigfoot: A real Gorilla of recent discovery transplanted by spoofers into the public imagination as the Yeti in 1920 with the first terminology "Abominable Snowman" of the Himalaya. A profitable trade in Yeti expeditions was launched in the 1950's, lining the pockets of the Nepalese officials granting permits, and hundreds of others in the form of porters, guides, suppliers, the monestaries, etc. And Peter Byrne, master con-man.
Ray Wallace, Roger Patterson, and others transplanted the YETI to the USA in the 1950's and 1960's. It is being exploited for profit to this day. It did not come as a consequence of our interaction with the American Indian tribes centuries before. It is not likely a sleeping residual in our DNA from thirty thousand years ago.