Ack! It does look like I said that Feynman's remedy was to experiment.
Like you say, Feyman was really getting into integrity and experimental
methodology. Although I would point out a large part of that speech
was about how people don't
learn from experience what to pay attention to.
I appreciate how correct you are in focussing on building a compact
mental model that helps you understand and perform better. I was trying to focus more
on the first step, which is letting go of a very beguiling mental model,
the 'magic wand' model of doing something.
I suggested the experiment idea because I have never failed to learn something
by taking stuff apart - whether programs, televisions or cars. I feel that
conceptual integrity only becomes an issue after someone stops
believing in magic and starts forming their own concepts.
I didn't believe in evil until I dated it.