Had the US somehow magically lost WWII, the firebombing atrocities would almost certainly have had a few Air Corp generals executed by the victor.
We could just as well look at the systemic atrocities committed against the Vietnamese civilian population and yet we still lost that war.
Excepting the Gulf War, how far back to we go to find something America has won (somewhat) cleanly?
No.
The USA is the strongest military power in the world. They are not the underdog. If they resort to war crimes or unfairness, it's not because they are the underdogs; it's because this is what top dogs do. Let's not make excuses for them.
That said, of course Altman is being cynical about this. He's just marketing his product, ChatGPT. I don't believe for a minute he really outsources his baby's well-being to an LLM.