He didn't intend to make Tony feel bad, but he sees that he does, so he reaches out for his wrist, to stay him. "Hey, I don't - I don't blame the other Tony for making Ultron. He thought he was doing what was best. But I guess, in the aftermath, we decided to check in more, talk about what was going on, inform the team, so we could make decisions together. And then... the Accords kinda came out of nowhere. And then..." The whole mess with Bucky.