Prince Harry and Meghan Markle have been accused of causing “irreparable” damage to the British monarchy, which is in “crisis mode” due to a “wave of senior royal illnesses.” One critic of the couple feels that the Montecito couple’s actions over the last four years have been a disgrace to “loyalty.” “In Mario Puzo’s book The Family, he writes: ‘We are a family, and the loyalty of the family must come before anything and everyone else,” PR expert Ryan McCormick told an outlet. “For if we honor that commitment, we will never be vanquished — but if we falter in that loyalty we will all be condem…