I suppose that by "seemingly unable", one should rightfully infer "uninterested". If you examine repeated instances of Homo in its most out-of-control states of aggression, you'd be justified in entirely denying the existence of any cognitive apparatus whatsoever.
The peanut gallery always cheers for wars. What kind of a species are we!
A genuinely disappointing one with a giant cognitive apparatus seemingly unable to rein-in its reptilian impulses toward aggression
Unable? Uninterested. Their only value is "winning".
I suppose that by "seemingly unable", one should rightfully infer "uninterested". If you examine repeated instances of Homo in its most out-of-control states of aggression, you'd be justified in entirely denying the existence of any cognitive apparatus whatsoever.