Is Nadal dropping out of Paris a sign the season is too long?

Rafael Nadal dropped out of next week's Masters 1000 event in Paris to focus on the year-end ATP World Tour Finals and the Davis Cup final against Argentina. He released a statement on his Facebook page announcing the news:

Hi all. I won't be playing this upcoming week the tournament in Paris Bercy. It's been a difficult decision to take but I understand that it is what I need to do right now to prepare well for the end of this season and also for 2012. I hope I can be back in 2012 to that great event in the most beautiful city in the world, and hopefully try to win it once day.

With the London tournament beginning Nov. 20 and the Davis Cup tie beginning eight days later, Nadal was entitled to his rest. By the time he gets started at the 02 Arena, it will have been more than a month in between Nadal's matches.

What's interesting about the withdrawal is that Nadal didn't list an injury, nor did he give a real excuse. He basically just said, "I'm not going to play." You think he's taking any enjoyment -- the slightest bit -- in withdrawing and indirectly showing the ATP that the season is too long? I'm not suggesting this was a passive-aggressive move or that Nadal's motives aren't pure, just that, given his disdain for the length of the tennis calendar, he may be able to prove a slight point while getting some extra rest.