The thing is that any and all criticism can be dismissed with "FUD", and that the person can continue to live in their own bubble and avoid the bother of cognit

The thing is that any and all criticism can be dismissed with "FUD", and that the person can continue to live in their own bubble and avoid the bother of cognitive dissonance. It feels very similar to the thought stopping techniques that destructive cults use. Trump's word for this is "fake news".