That report was helpful for the defense. Roux and OP never claimed diminished capacity or mental defect that would render him unable to understand what he was doing or appreciate right from wrong.
Dr MV called it GAD, but the report calls it vulnerability, especially when on his stumps. That was the whole point of the doctor's testimony - to explain that Oscar felt threatened and vulnerable to harm because of past incidents and his disability.
In addition, you've now got a report from psychiatrists and psychologists who evaluated him for 30 days and find that he does not have a rage or anger problem and that his emotions and grieving behaviors are sincere.