I heard this interview live and was surprised at how tactful he was. I don't think anyone faults him for not feeling great listening to it. Even if A7X kept him, I bet he would still have a tough time listening to it. I just don't understand why he couldn't be more tactful all along.
I also kinda wish he could have at least complimented the guys, especially after the whole drama with the facebook "liking" he did. The only other time he commented on Mangini that I'm aware of, he said "I knew they would get an amazing drummer, so I'm not surprised" or something like that. I just wish he could have at least gone that route and said something like, "It's really painful for me to hear new Dream Theater because I never wanted it to turn out this way, so I can't really comment except to say that they are still 5 world class musicians and they're doing what they're best at. I can't comment beyond that because its still very awkward and painful to listen to Dream Theater that I'm not a part of."
A lot of people have commented that MP has been portraying himself as a victim, but if he were to comment in that tone instead of using a passive aggressive tone and emoticons, I really do think people would feel bad for him and secretly hope for a reunion with him sooner than later. As it stands, I think most people, myself included, are perfectly happy with Mangini staying in the fold for the long haul.