maybe I just did not fully understood everything until it was over. I found it confusing that the reason to call him butcher was not the killing of civilians but he killing his own men.

In the end he wants to keep the fact that he didn’t kill his own men because that seems to be the reason for starfleet to really considered him a defector? I honestly see that as a weak argument. particularly several years after he has been successfully working as an ambassador.

I feel that if his lies would have been clear earlier we could have had more intense scenes between them and his character could have been developed a bit better