That's silly cope justifying a bad argument made initially in ignorance of what the actual metric was. "It's meaningless because we need the perfectly unbiased

That's silly cope justifying a bad argument made initially in ignorance of what the actual metric was. "It's meaningless because we need the perfectly unbiased representative sample of raters doing rating right, instead of the biased raters doing it wrong that I'm currently imagining" isn't an appealing or honest argument.