[Oh, he believes it. He completely believes that he did nothing wrong. Almost nothing.]

I tried to save you, but there was no way I could get there before those bandit pieces of shit murdered you! I should've killed every last one of them before they even set foot on Pandora, but...

[But the Vault Hunters killed him instead. That... that stings a bit.

He's still angry, but uncharacteristically defused. Being defeated so thoroughly is still something he's having trouble dealing with.]