There's been plenty of films of giant ants and such attacking people.
Argument from fictional evidence is fallacious and allows absurd conclusions, such as that experiments involving cute animals are safe because
Night of the Lepus wasn't scary.
In other fiction; I'd like to point out "Squabbits" from Brickleberry won't really help.
The only reason I bring up the fictional story is because it drives society to decision making. If people were entirely rational, we'd be burning nuclear ore for our fuel instead of coal.