His decision to force the election now looks like an epic blunder.
The Svengali's self-inflicted uniform (black turtleneck, dad jeans, Seinfeld kicks) rival Superman's in its homogeneity-a style blunder no AutoCorrect can fix.
But he made an awful blunder.
England was left to lick its wounds and limp home, victims of a televised refereeing blunder witnessed by millions around the world yelling at their TV screens.
Sadly, we are still living with the consequences of that moral and strategic blunder.
A year ago, I was waiting at a stoplight on a Taipei street corner one day when suddenly I saw a little boy blunder out into the road, oblivious to the red light.
An investigation is under way into how twin newborn boys died 11 days ago after a catastrophic medical blunder at Stafford hospital, just days before a public inquiry opened into its "appalling" care.
His blunder impaired his influence.
There also was an uncharacteristic blunder: Equities-trading revenue tumbled because Goldman was caught flat-footed when volatility rose as markets tumbled.
Yet even in this relatively straightforward task of making public information properly public, technology offers plenty of scope for blunder.
