A blanket cynicism is understandable but it's lazy and self-defeating. Of course, if you believe the worst of everything you're seldom surprised and never disappointed but it's a pretty awful way to live. If you can't believe that people are capable of good things - if only intermittently - your world hasn't got much going for it.
True, an uncritical belief in everything you're presented with is a shortcut to being a fool, but I've always preferred credulity to cynicism. If I'd curled my lip and sneered at the 100m final in Beijing I'd have missed one of the great sporting moments of my life, Bolt winning in 9.69.
So I believed, I accepted, I was part of the wonder of it all, and I'm glad. Sport is about raising human spirits, and if you aren't bold enough to take the occasional leap of trust, you're cutting yourself off from the heartland of sport. But you have to accept that if you take those leaps, you're going to take some falls.