Prince Harry and Meghan Markle have been criticised by a top American psychiatrist for changing the surname of their two children to Sussex. The change comes as the Duke and Duchess reportedly made the switch to “unify” the family with their brand and website. Sussex.com replaced their former website, Archewell.com, promising to bring more personal updates about Harry and Meghan’s life and work. Rather than being known as Mountbatten-Windsor, Archie and Lilibet have been known as Archie Sussex and Lilibet Sussex since King Charles’s Coronation in May 2023. The Prince and Princess of Wales’s ch…