I think it is a pointless discussion because at some level we are both right. I'm not going to argue with the idea that a pre-made classifier can be improved u

I think it is a pointless discussion because at some level we are both right. I'm not going to argue with the idea that a pre-made classifier can be improved upon by experts. But pre-made classifiers exist and are useful for a very large variety of tasks. This was the original point.