My wife is in a support position in a school. A few years ago, she observed a “problem child.” My wife told educators “I don't think they can can’t see,” but was summarily dismissed. The child returned to school the following year with glasses. Guess who was no longer a "problem child?"
Forget teaching how to do taxes, if we teach the paradox of knowledge (“If you think you understand it, you are wrong”), we might be able to make better collective decisions.