I know precious little of Korean culture so it's hard to make assumptions or judgements. I hope she's happy and progresses as you describe. I have mixed feelings about performers as young as that though. As you say, the musicality lags behind at the expense of the technical achievement, but with a grounding like that she stands a good chance of being truly great once she's mastered 'the other side' of it all.

I know someone who had a go on Segovia's guitar once, he reckoned the action was about 3/4" at the twelfth fret, but he could be heard clearly by all in the Albert Hall with no amplification whatsoever. I'd love to have seen him.