That is not likely at all. There is literally no evidence supporting that. It is simply an explanation that allows Ross's supporters to explain away the facts. The preponderance of evidence is that Ross is OK with murder.
Regardless, I would say that there's a big difference between murdering someone who is blackmailing you and other kinds of murder, to the point that I wouldn't expect psychopathy from someone who was doing the former.
Regardless, I would say that there's a big difference between murdering someone who is blackmailing you and other kinds of murder, to the point that I wouldn't expect psychopathy from someone who was doing the former.