He is uncritical, yes. But he doesn't deny being uncritical.
It's a useful "service" to get people with diametrically opposite viewpoints to talk freely, and he does that well
The interviewer doesn't need to impose their world view on the guest, or the audience -- it's OK to let the audience make up their own minds.
Contradictions aren't inherently bad, either ... "consistency is the hobgoblin of little minds", etc.