IQ only measures three types of mental abilities. That’s like judging someone’s overall athletic ability based solely on how accurately they can pitch a baseball, how far they can kick a soccer ball, and their golf swing.
Any measure of intelligence, at this point, is going to leave much to be desired. There are mental abilities we don’t even fully understand yet. And how do we categorize savants (mentally retarded individuals with select prodigious skills)?
We categorize them as idiot savants..