Well given the number of people I run into these days who seem to have zero empathy and are self fixated, I'd say that the usage is accurate.
Well, you see, that's the thing - when you see them is not the whole of their lives. They probably don't have zero empathy. They just aren't displaying empathy towards you, when you are dealing with them. They have people in their lives they care about, and very likely even care about strangers, too.
There is a hefty, hefty tendency towards confirmation bias - we remember the things that confirm what we already think, or want to believe. We tend to forget, or discount, the thousands of times those things don't happen. People say, "Excuse me," or "Oops, sorry," recognizing the difficulty they give others all the time.
The people who are walking away from the dinged car aren't usually being sociopathic. They are avoiding a confrontation with a person they know will be angry. That's rather the opposite of lacking in empathy - they know darned full well you'll be mad, and fear consequences. And since leaving is so, so easy, they do that. Avoidance behavior is not sociopathic.
That is, if they've even noticed they've dinged your car at all.
