Does "Their relevance or otherwise" mean "Their relevance or irrelevance"?

Context:
Having highlighted the purpose of justification, victim blame and role reversal in the authoritarian rationalisation systems, there is still one question to be answered – a deceptively easy question that, in fact, necessitates complex developments: who is right, the psychopathic aggressor, defending his guilt-inhibiting theories, or his victims who refute them? To answer this question it is necessary to highlight the dynamics associated with the different cognitive processes outlined above. Their relevance or otherwise will then become clear.