It's a huge less bit of a jump than the idea they wouldn't react at all. Monkeys are animals while humans are intelligent, and more importantly, most of their s

It's a huge less bit of a jump than the idea they wouldn't react at all. Monkeys are animals while humans are intelligent, and more importantly, most of their senses are much worse. You don't smell the monkey, but that doesn't change anything about the monkey's ability to smell you - we're talking about monkeys reacting violently to humans, not the other way around.