If you're the Toronto mayor, going to church is one way to redeem yourself for having spent the past few months calling reporters pedophiles, knocking over city councillors, talking about your wife's pussy in public, and, of course, smoking crack. Another way to redeem yourself would be to resign, but that's just not Rob Ford's style.
Organized religion in America is on the decline. The Church—any church, all churches, the omniscient "Church" representing all organized religious institutions—holds less allure for a new generation of American adults. This is a fact, not a supposition. The Church, though far from gone, is an institution of the past.