This is not evidence for anything - the theory kind of checks out but it can be argued that there are other confound variables and that the direction of causali

This is not evidence for anything - the theory kind of checks out but it can be argued that there are other confound variables and that the direction of causality is not as simple as they make it out to be. Also just because IQ can be (slightly) trained it does not mean that it does not measure 'intelligence' - what is the problem with intelligence being trainable (not that IQ is perfect or anything)? And lastly - yay for meta.