That's the "Tucker Carlson defense".[1] "The Court concludes that the statements are rhetorical hyperbole and opinion commentary intended to frame a political debate, and, as such, are not actionable as defamation."

That worked in a defamation case, but the First Amendment defense probably won't work in a false advertising case.

[1] https://assets.documentcloud.org/documents/7216968/9-24-20-M...