Good point about disproving your answer (before seeing the alleged real answer). The ability to quickly verify/disprove the answer is a separate and useful skil

Good point about disproving your answer (before seeing the alleged real answer). The ability to quickly verify/disprove the answer is a separate and useful skill all by itself, that isn’t explicitly taught. Troubleshooting/problem solving, working backwards from symptom to problem etc — that’s another, richer and very rewarding “real world” type of skill that isn’t directly taught, (though often encountered incidentally).