There's a great deal of emotion here stirred up between them and perhaps Anakin ought to find a small comfort that apparently he had sensed something and tried to do something about it, even if it had come too late. But the last bit has his spine stiffening, "no one wanted to believe me you mean."

And no one, in this case, would be Master Windu.

It's easy, with the amount of anger both of them are feeling and with that little undercurrent of not good enough Anakin has always felt in relation to the Jedi Council for his words to turn bitter. "Why am I not surprised."