A guide book of Gundam 00 "Mobile Suit Gundam 00 MISSION COMPLETE 2307-2312" released on May 8th. The book had interviews with the production staff. Among the positive comments of other staff, Chiba Michinori (the character designer and the episode art director) made negative remarks.
Q. How do you feel now having the series ended?
Chiba: We got a suspended sentence, so nothing to say about it.
Annotation: Suspended sentence implies the movie of Gundam 00.
Q. How do you think about your performance for Gundam 00?
Chiba: It was a tough job to work on HD format. The quality control was outside my province, but I concerned about the finish. I hope the audiences were pleased with the anime, yet.
Annotation: Finish here means the finishing of each episode, not the finale of the series.
Q. Summing up the all the seires, how do you feel about Gundam?
Chiba: I have mixed feelings about it...
Q. Any comments to the audiences and the readers?
Chiba: I expect you to discern what I mean. Our struggle has begun.
Source: Scan of Gundam 00 Mission Complete