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3) From this experience, the career-enhancing ability to take complicated technical issues and transform them into language that's commonly accessible has come fairly naturally.

Sure. I see how it's useful, in the broader scheme of things. But to expect an immature 5-year-old to be able to do this AND to see it as adequate "enrichment"? Pfffft. In any case, my kid comes to school to learn, not to serve as an unpaid assistant. (If everyone is being asked to teach each other, that's different.)