They were riding horses.... they absolutely were camoflauged. Their scent and their outline was completely masked. Your simply not thinkly broadly enough as to what is or is not camouflage. To you? Camouflage is just a pair of pants and shirt printed in a disruptive pattern. While that is a base its not the whole. Owning a tea spoon does not give you a tea set.
I do not believe all reports like Bigfoot dumpster diving in Chicago. But again you think naively. The scent of a bigmac may indeed draw in a inquisitive primate. But the scent of the big mac gives away your element of surprise. The animal may approach undetected and observe you undetected and its curiousity satisfied, leave undetected.
Hunters lure game...this is true enough, sometimes unwitting directly on top of themselves. Estrus scent, jelly donuts, game calls, etc. But as of yet? We have no proven method of attracting a Bigfoot.
As for regular people reporting Bigfoot sightings? I would agree with you. Except that most of these sightings are while driving on roads. We humans have crisscrossed the landscape with roads. This is a real problem with documented species such as Grizzly bears, and the lack of ability to reach other breeding populations of bears. Its why the forest service gates roads so that endangered species can regain a toe hold without dodging cars. But here again if you see a Bigfoot crossing a road, its on high alert and getting out of the area.
Amyhow great apes have trichromatic vision......thats a fact. If a large bipedal hairy creature known as Bigfoot is a reality in our forests? I think its safe to say its a member of the great ape family. And being bipedal it may be closer to us than our quadraped cousins. So it has trichromatic vision. So its eyes like ours zero in on bright colors. Again Camo is not the end all be all to anyone. No more than wearing a cowboy hat makes you a cowboy. But.....it is a step in the right direction. If your looking at not being observed.