You're welcome, Nautica. "I'm letting you off easy because you don't know what happens like the rest of us do, but-- not nice. Pre-genocidal maybe. On a good day."

Rodimus was told that a true leader acted without regret after he blew up Nyon by a Megatron not so far removed from this one. He's got a hard time letting that and the near execution of Bumblebee go.