It’s debatable whether extreme rationalism is healthy for everyone (if even feasible). See Is self-deception a fault?. If not, and we respect someone’s well-being, then it may not be possible to persuade them with rationalist tactics alone. Yet we know their cognitive biases. And, to sound very Machiavellian, if we don’t exploit these biases, someone else will.
I think that’s a useful distinction.
It’s debatable whether extreme rationalism is healthy for everyone (if even feasible). See Is self-deception a fault?. If not, and we respect someone’s well-being, then it may not be possible to persuade them with rationalist tactics alone. Yet we know their cognitive biases. And, to sound very Machiavellian, if we don’t exploit these biases, someone else will.