the problem with removing anti-social gene traits (by removing those with behavior markers) is that you lose the brilliance exhibited by people who have managed to come to terms with them, or at least co-exist with them, most often artists ...
no more alcoholic traits? - goodbye Dlyan Thomas
no more depression traits? - goodbye Van Gogh
no more propensity for deafness? - goodbye Mozart, Beethoven
The mark of a society is more about the ability for it to absorb and develop its differences, not eliminate of them. I see nothing wrong with the recognition that a person is born with a behavioral marker, but the person should not then be saddled with the expectation of marker appearance, let alone be removed from the gene pool on the off chance.