Kurtzman and Orci Not Back for TF3?

{mosimage}Roberto Orci has posted at Don Murphy's boards that he and fellow screenwriter Alex Kurtzman might not be back to write Transformers 3. His reply at Murphy's board:

Not clear who is coming back yet, but the main reason we would move on is because we risk getting stale and comfortable. If you only sing one song for too long, you miss the opportunity to sing news songs. We'll see.

Click to read his response to the question if he and Kurtzman will be back, and read the reason.