Octopodes do not beg to differ, they tergiversate to genuflect. The thing to recognize is that tentacles predate arms, legs, or fins by millennia. Jellyfish t

Octopodes do not beg to differ, they tergiversate to genuflect. The thing to recognize is that tentacles predate arms, legs, or fins by millennia. Jellyfish tentacles have fewer kinds of parts than any arm, hence they constitute simpler machines. In the paper you cite, humans are describing cephalopods with a model based on their own anatomy; it is not the other way around, as you claim.