Most animals, including some of the top predators like the Great White Shark, don't normally or naturally kill humans.
When wild animals attack people there is usually a reason - protecting young, defending a den, etc. Carniverous type animals dont usually just kill unless they are hungry.
Using gorillas as an example, they seem to be pretty low key. They can be ferocious appearing with roars, chest beating, mock charges and intimidation, but they seem to be pretty retiring and shy creatures overall. I cant say I have ever heard of a gorilla actually attacking someone.
I personally view bigfoot as being more of an omnivore too than a carnivore or great hunter. But that is just my opinion. Most predatory animals are anatomically different than a human or great ape. or, like humans, they use tools and have used tools like spears for tens of thousands of years to hunt, since we are not natural physical hunters.
I do not know of any overwelming evidence of bigfoot ever killing anyone at least in any number of incidents outside of the norm for large animals. Mostly it seems to be more anecdotal, like the story related by Teddy Roosevelt that implied something like a Sasquatch killed a man.