And who is this person you speak of who knows exactly what they are talking about? Are you talking about someone who might or might not sit on a committee. Christ your gulibleThe power of agree to disagree usually works when you are arguing equivalent unproven theory or opinion.
It doesn't quite work when you are arguing that your unqualified opinion is the same as someone who, evidently, knows exactly what they're talking about.
Otherwise the effect is 'i don't want to be educated or corrected, I'm happy with my ignorance thanks'