Umm why not?
Just because he was inaugurated today?
Clinton despite in the eyes of the media and Hollywood of being the greatest presidents in the universe and of all time didn't keep him from being ridiculed and riffed on 24/7 while he was President.
In 1999, the Daily Show called the bombing of Iraq the "Perversion Diversion."
People act like Obama doesn't have any flaws or weaknesses. For one thing, he's one of the first Presidents in a long time that's an actual smoker.