> Because arms race.
The irony is, they are building their own competitor...
Yeah, we get that nobody can trust China/Russia/USA/Shady cabal of too-rich-people, but we stopped the atom bomb because it was MAD (mutually assured destruction).
We need a similar treaty to ban any use of AI in this fashion, because all that will happen is creation of weapons that are inevitably turned on their owners.
And then, yes, as a coalition, declare war on any country that violates this.
I hate to be a proponent for war, but one's coming either way. I'd prefer a relatively peaceful resolution to some of our problems, not a "oh my god the robots have rebelled, and we are losing" scenario.