The model they are using is of probably-morally-contemptible PUA folk. Morally contemptible people are morally contemptible. Good people don't become morally contemptible. If someone becomes a PUA-esque person after engaging in reflection then that just means they were morally contemptible beforehand as well. And morally contemptible people don't engage in self-reflection anyway so they'd they'd never end up as a PUA-esque person. People who engage in self-reflection properly will look like fuzzily imagined knights in shining armor, because they are not morally contemptible, obviously.

This only applies to vaguely imagined PUA folk. If a PUA-esque person actually shows up and starts talking to a person with this kind of model then of course it no longer applies.

The above is my general impression of the more saddening parts of what I perceive to be the kind of implicit social reasoning involved. Others will have better general impressions.