Well, they do say that out of all the animals in the world, the ones who most resemble humans socially are ants. And while one ant isn't threatening (Usually... some of them, like those crazy South American Bullet Ants, are plenty threatening even if there's only one), almost nothing wants to mess with the whole nest.
Edit: And now that I think about it, this analogy would make the Great Old Ones, who DO want to mess with the whole nest and do so successfully, into the equivalent of a giant cosmic aardvark. Which is awesome.


