But I made no such claim. I was explicit that my position is "humanity is currently unable to definitively answer in one direction or the other". Two things be

But I made no such claim. I was explicit that my position is "humanity is currently unable to definitively answer in one direction or the other". Two things being physically different does not exclude their also having functional similarities. The argument presented amounts to A and B have large physical differences, A does X, therefore B does not do X. That doesn't follow.