These kind of "don't be evil" declarations are typically meaningless gestures by which non-players who weren't going to be participating anyway can posture as m

These kind of "don't be evil" declarations are typically meaningless gestures by which non-players who weren't going to be participating anyway can posture as morally superior, while having no meaningful impact on the course of things. See also, the Ottawa Treaty; non-signatories include the US, China, Russia, Pakistan and India, Egypt, Israel, Iran, Cuba, North and South Korea... In other words all the countries from which landmine use is expected in the first place. And when push comes to shove, signatories like Ukraine will use landmines anyway because national defense is worth more than feeling morally superior for adhering to a piece of paper.