“Nuclear-weapon states should negotiate and conclude a treaty on no-first-use of nuclear weapons against each other or make a political statement in this regard,” Sun said.
China and India are currently the only two nuclear powers to formally maintain a no first use policy. Russia and the United States have the world’s biggest nuclear arsenals.
This would be a mixed bag because it could open the door on more conventional wars since it would left the threat of MAD.
I think this applies more to our typical bullying. Against another nuclear state, this treaty is meaningless.