When I wrote a series of opinion pieces headlined variously “Is May really up to it?” and “Can this farce get any worse?” and “Who will rid us of this appalling Prime Minister?” I might have given the impression that Theresa May is the most ill-starred occupant of Number 10 Downing Street since Anthony Eden thought it a clever idea to try a disastrous cloak and dagger operation at the Suez Canal with the aid of the French and Israel, to the fury of the Americans.