A jury could award $100 billion if they wanted to ... and it would be thrown out by the judge in the case. The biggest challenge a plaintiff has in a case like this is proving that anyone has actually suffered any harm that would warrant a monetary award for damages.
https://www.courthousenews.com/wp-content/uploads/2018/03/aaron-rich-DC-suit.pdf
Read the case. Please dont mistake your google search for my law degree.
Defamation requires little proof of damages as damages are presumed when you falsely accuse someone of murder, theft and the like.