You either convince or you don't. Whether that is good or bad is purely based on the context it's judged within.
Postmodernism is just a way to analyze "the claimed" and yes it destroys (deconstructs any claim) but a decision will be made, something will win over something else.
Postmodernism is just a way to analyze "the claimed" and yes it destroys (deconstructs any claim) but a decision will be made, something will win over something else.