I think the division between societal labels and name-calling is a little blurred here. I don't know that one who exhibits "road rage" is considered a victim. It is only shorthand to describe a behavior that most of us have observed.
similarly, I think that labeling a group as "idiots" denies that others might be experiencing pressures that we don't understand.
There is significant difference between being moody and being bipolar.
There is a huge difference between excuses and reasons.
A peson who is bipolar for example, has no excuse if he chooses not to treat it, even though the illness is the reason for his behavior.
The label that seems to be missing is "compassion."