I disagree on Prime's attitude, I feel it's really contrary to the character's depiction across media. While Prime will wreck a bitch if necessary, Bayverse Prime has an obsession with violence that reaches Decepticon levels of sadism. Assaulting and viciously beheading Megatron right after he saves his life and proposes a truce, executing Sentinel Prime via shotgun headshot while he's beaten and practically begging for his life, using fucking hooks to tear apart a dude's head (the guy famous for using a hook for that kind of stuff is one of the villains in the latest movie, go figure) and the whole GIVE ME YOUR FACE scene in Revenge of the Fallen. That is so vicious and unnecessarily violent it doesn't look out of place when a psychotic spree killer does it in one of the comics.