Cm. punk question........?

Is it true that he completely ignored the script and got the things he wanted off his chest, or was the whole thing an act? I only ask as some of the things he mentioned, Vince dying etc were a bit of a shock to hear on the pg show. And did you notice Cena looked completely bemused by it all. If he wasn't acting I have a massive amount of respect for him for saying what had to be said.