Your remarks presuppose that people learn through their senses. I do not believe that people learn through their senses. I am not an empiricist.

It is no safe guide to rely upon one or more of your senses. They all can deceive you. It may look like I can pass his guard, but it turns out I cannot. It may feel like he doesn't have my arm in bad position, but it turned out that it was in even worse position than I thought. I didn't hear him tapping, but it turned out that he was, and I snapped his elbow regardless. Sensations cannot be trusted in wrestling ....

We are talking about improving the technique itself, not aiding the existing technique.