[kevingoslar]

I'd maintain that awareness, training, and tooling are essential for achieving constructive outcomes here. Without knowing that one has dark personality traits, and thereby a particular way of experiencing the world and pleasure/reward that is different from how most people experience it, it's hard to not unintentionally develop abusive behavioral patterns. Goals develop from a world view. Improve somebody's perspective and their goals adjust.

Knowing that one deals with a dark personality makes it easier to adjust one's interactions and expectations to them and not fall for possible abuse.

Every problem can be solved with enough understanding.