Joe Siracusa, from Curtin University in Perth, Australia, said Prince Harry should take a “crash course” in the US First Amendment, after he criticised it as “bonkers”
It follows Harry’s criticism of the amendment, which protects free speech, as “bonkers”.
The Duke’s remarks led to a huge backlash and claims it could threaten his popularity in America.
He told Sky News Australia: “If Harry doesn’t understand that he’s in the crosshairs of the American paparazzi, that is the American media, then he ought to go for a long walk somewhere and move to Zimbabwe or some Asian village or maybe some Chinese fishing village somewhere.
Because he’s going to be news now.”
He went on: “I find him completely unremarkable myself.