As Fox legal represntation says, the "'general tenor' of the show should then inform a viewer that [Carlson] is not 'stating actual facts' about the topics he discusses and is instead engaging in 'exaggeration' and 'non-literal commentary.' "

https://www.npr.org/2020/09/29/917747123/you-literally-cant-believe-the-facts-tucker-carlson-tells-you-so-say-fox-s-lawye

You cite "an error." His entire show is an error. And his followers take what he says to be the absolute truth.