Poster seems to believe that a good heuristics to evaluate the truthfulness of a statement is how challenging it is to your worldview or feelings. It intuitively makes sense to the social part of the brain since living among other humans constrains our discourse and prevent us from sharing what we feel is the truth yet the logical error seems to be that any discourse that does not respect the feelings/worldview of a given audience is more truthful.

It doesn't help that people generally advance the "only truth hurts" argument after they receive pushback on a statement trying to inflict their "truth" to others and rarely to share the experience of changing their own mind after by accepting a truth that is emotionally costly for the self