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What you're describing sounds more like a miscommunication/misunderstanding that could have been easily prevented in the first place.
A good instructor is able to find the reason that people can't "get it". This takes more intelligence than anything in the learning process because you basically need to find problems that people don't know they have. The true root of the problem that is.
What if your instructor had specified to you, balls of your feet supporting your weight on the pegs to give you more stability. Loose shoulders and elbows and smooth inputs with your hands to keep from transferring front end movement through your body. Would you have still needed that rain? Or to be more of a "natural"?
I believe that anything an instructor tells a student should include the word "because" somewhere.