HA simply doesn't understand how, where behavior (yes, HA, intelligence is a behavior) is concerned, genetics only establishes predisposition. Many, many environmental factors (cognitive, social, emotional, nutritional, for starters) can affect how a genetic predisposition expresses itself. But then, neither does he understand the relation between genetics and their expression as traits, seing as how he still continues to abuse the very concept of "heritability", and will continue to abuse it since he doesn't understand the underpinning concepts of "correlation", or "variance", or "mathematics"...really, he doesn't understand anything. I'd ignore him if it weren't so humorous.
Like he's going to stop now...