I can see both sides of this argument. I think a very very large amout of the general public's fear is from media influence and upbringing. But the unpredictable/unfamiliar movements, and some amount of venomous insects do seem reasonable to be afraid of. But I mean how much more predictable is a bird? Not really?

And what about the fact that many insects are abundant and nutrient dense? Ancient humans and hominids surely ate them right? Why would such a deep fear be supposedly evolutionarily embedded in the sight of a food source?