Lazy graduate students have been copying the error for generations and enshrining it in the papers they later publish themselves. Biologists, realising their embarrassing mistakes sought to cover up the Truth, and thus the so-called Ape Conspiracy was born. We have many clear and clever languages. Apes can barely make their desire for bananas be known to each other. We live in complex buildings.
Apes live in trees and forests.
In the mud. We have a complex hiearchical society, with one leader ruling over millions of individuals. Apes have one leader ruling over each group of about a dozen. This cannot be very efficient, I'm sure you'll agree. An obvious red herring on God's part, to flush out the evil athiest biologists.