Levels of "Wisdom"

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I feel like that's cherry-picking. "Some people use IQ in an immoral way so there is no justification for having the concept of IQ." From an academic standpoint, there are lots of viable uses for IQ as a measurement, just as there are lots of practical uses for standardized tests as a skill assessment. You can test to see if you can find correlations, and then examine these correlations in order to help people improve. For example, if high IQ correlates to being successful, you can try to examine what an IQ test tests for that causes this, and then train people in those areas to better prepare them. IQ is a wide-spread concept today and has been discussed extensively, and yet I don't see any serious progress towards any extreme, immoral implications such as eugenics. EDIT: This is similar to saying that Darwinism/evolution promotes survival of the fittest and so weaker people need to be left behind, so this makes evolution immoral.

In general, any meta-understanding of a particular issue helps to understand issue specifics. Philosophy of science, for example, is relevant to science because it helps us understand what kinds of questions science can or can't answer, and why. It helps us distinguish science and non-science. Similarly, understanding what makes someone smart or wise can help us understand what a smart or wise person would be capable of and how to work towards being that if it is possible.

Even the evaluation of myself within these categories serves to help myself practically, not because I want to stroke my ego. If I can identify traits that would make me acknowledge that someone is more rationally-minded than me, I would then try to learn and adopt some of their thinking in order to make myself more rationally-minded. It's like looking up to someone you think is better than you at something and trying to learn from them. In your own mind you have a valuation as to who you consider to be better than you and who is worse, and you emulate the better.