We too are disappointed having wanted to experience Arvia before she based herself in the Caribbean (done that to death) but there, these things happen and its hardly P&O's fault.
As if they haven't had multiple problems t cope with over the previous two years, let's hope there is a watertight compensation clause that compensates them from the builders, Meyer-Werft.
Fortunately we still have fond memories of Britannia's maiden and another maiden on the horizon.