They said it was "hate speech" and would not be tolerated on their website. Either the moderators are unaware of the reference to the Wizard of Oz or they are hyper editing any posts that denigrate the poser, Obama.
I am sure it was for using the word monkeys. They all, FB, Twitter, etc; believe that a monkey is a black person. Where most people believe it refers to what it actually refers to. A MONKEY!