This is what I always get called in for:
Example: Janeane Garofalo. PLEASE SUBMIT YOUR STRONG IMPROV-BASED ACTRESSES WHO CAN BRING MORE TO THE CHARACTER THAN WHAT IS WRITTEN ON THE PAGE! PEOPLE WHO CAN BRING THESE INANIMATE OBJECTS TO LIFE!
Our script sucks and we know it! Get people who will make it sound better than it really is!
I prefer this to the alternative, which is:
WHAT WE WROTE IS GOLD, SOLID GOLD, and if it sounds pathetic and completely lame, it's just your fault for not channeling the pure genius of our words.