i think you may be missing the point: height is well-defined, at least in some sense. gould's and others' criticism is that the notion of IQ is conceptually not well-defined. if its nothing but how one performs on particular tests, surely the onus is on the other camp to prove that such things are indeed hereditary? gould and the related camp could be wrong about their belief. but you may be constructing a strawman above.
you accuse others of not being mature etc. in your own responses, you are being patronizing. that is not a very mature attitude either.
--ravi