The poll suggested that Harry’s explosive allegations against the Royal family significantly contributed to his dwindling popularity.

However, Mr Coram-James has now shared his perspective on the findings. He stated: “To be fair to the Sussexes, they seem to have learned the lessons from bad PR, and appear to have turned the page.”

“That’s the thing with PR: if it goes wrong, the public can, fairly or unfairly, decide that it makes you a bad person, where, when it goes right, the public can decide that you’re a good person. Its why communications are so key,” Mr Coram-James told Express.co.uk.