As always, it is a double sided coin.
When doubtful claims are accepted without question, the outlook is bleak.
So our 'error-detection' should be efficient.
Education is the way to go.
Those who listen might then hear the real message rather than the intended one.
And the fact that 'errors' are being 'called-out' frequently shows that education is working?
And of course, pointing out obvious lies and untruths is necessary.
Journalism often assists with this?