I believe that people have a strong aversion to doing this. So many still refuse to believe Darwin for suggesting that we are closely related to other animals.

I believe that people have a strong aversion to doing this. So many still refuse to believe Darwin for suggesting that we are closely related to other animals. Imagine the pushback for stating that we are just another species with higher intelligence? That hits us humans where we think we are really special and important. This keeps AI research safely in bed with ANNs that pose no threat to discovering deep and unflattering truths about ourselves and our place on Earth.