If you don't see it being used in our lifetimes then you must not be looking very hard http://www.pnas.org/content/early/2013/02/15/1216841110 http://www.biologyreference.com/Ar-Bi/Behavior-Genetic-Basis-of.html Honestly there is not much of a debate. There is a plethora of evidence that clearly shows that genetic analysis can predict behavior with results significantly more accurate than random guessing.