That's my point. They are discredited. They don't have to stop having opinions but they do need to spend some time on why they were so spectacularly and obvious

That's my point. They are discredited. They don't have to stop having opinions but they do need to spend some time on why they were so spectacularly and obviously wrong on that specific one. Not merely incorrect, but so convinced that the only way to hold their opinion was to believe in an epic, comic-book-villain conspiracy against them.