[qazpot]

> and the absence or dismissal of evidence in preference of beliefs and feelings.

This, I think is one of the most defining feature of Post-modernism where the notion of truth is challenged.

If every belief and every opinion can be as valid as any other (by virtue of itself) it is really hard to have a debate.

This is kind of a circular reasoning where the existence of the opinion is the proof of it's validity.