Earlier quoted context omitted.
More accurately, he's accepting bribes to silence his freedom of speech. He's entirely in his right to have negative reviews as long as they're truthful.
That’s blackmail. Making a legal threat and making a legal money request combine into an illegal act.
According to this link, defamation - written (libelous) or verbal (derogatory) - is a civil matter and not a crime.
https://www.nolo.com/legal-encyclopedia/defamation-law-made-...