Having a high IQ doesn't necessarily mean you're going to excel in all areas of learning. One area which may be decoupled from G is kinesthetic intelligence which determines dexterity, or artistic creativity.
The technique could be 'too' easy to be of interest.
Wouldn't surprise me.
“Happiness in intelligent people is the rarest thing I know.” ― Ernest Hemingway, The Garden of Eden see here
Did you know The surprising downsides of being clever? Is Happiness And Intelligence: Rare Combination? There are longitudinal studies which seem to imply this: Being Labeled as Gifted, Self-appraisal, and Psychological Well-being: A Life Span Developmental Perspective
I found these via slashdot.
As LessWrong is harbor to unusually high-IQ people (see section B in here). I wonder how happiness compares to the mean. What are your thoughts.