Has there ever been a worse marketing campaign than the current one for Halifax, featuring ‘wacky’ radio station Halifax FM? Each time I’m unfortunate enough to watch it, I’m aghast at the cringe-worthy dialogue and the ham-handedness with which the actors, posing as DJs at the bank’s radio station, josh with each other in fake bonhomie, and then clumsily plug one of the bank’s products (“Isa, Isa baby.”) It’s a car-crash marketing moment. For the Halifax, it’s just the latest in a long line of truly awful ads – remember Howard the singing bank manager? Or worse, the X-Factor-lite dancing...