Well it all comes down to our simple caveman brain: "what the f**k is out there, could it eat me? Could I eat it? Is it safe? Is it deadly? Is it cute? Is it hideous? Can we even comprehend it?"
Uhh aren't you 13?? Wisconsin is crazy
But I think the reason we fear the uncanny is because we KNOW it isn't human
Mimicry has been around for a while and many predators used it which may be the explanation
Guys... If we fear the uncanny (something that looks human but isn't quite human ex. Vita carnis mimic or robot); That means at one point in time Of human evolution we had to avoid a cryptid like creature