Nobody becomes a world champion at anything by accident, let alone a four-time world champion of Formula 1.
But people have short memories, and it's only taken four relatively underwhelming (by his own high standards) races for the critics to start climbing all over Sebastian Vettel's back.
Those who write off Vettel as an average driver who romped into the record books by lucking into the best car ignore the qualities that allowed him to make the most of the machinery at his disposal.