An afternoon at a tennis match is meaningless. But if you look at all of appearances that Bolt has made since the Olympics, you see a pattern involving a great deal of international travel and lots of time and effort engaged in activities promoting himself and his brand.
To be sure, nobody sends camera crews and journos to cover his routine workouts, which I'm sure he does. But it's hard to imagine that he can bring the maximum level of mental and physical intensity to bear upon the task of preparing for the World Championships when he's running around all the time being a celebrity.
Is he making good money from all of these appearances? I don't doubt that he is. Will he get away with indulging in all of these distractions and win the 100/200 double in Moscow? That remains to be seen. He certainly has the talent to be at something less than 100% and still win races and run fast times. But at some point, he could find himself losing to runners (like Blake and Gay) who are almost as talented and who spend more time at the job. Will that be in Moscow? We'll see. I wish him well--I certainly like to see all athletes competing at their best. But I am concerned that we may be seeing him at something less than his best when it counts this year.