and to top it off... if we don't do it someone else will...

Umm... isn't that the whole point of these treaties... Literally the whole concept is superpowers behave with other developed nations because... all other nations are supposed to draw the line after one nation starts making signs of attacking. It's literally what the lesson learned in the world wars was... was to band together, we did a really bad job for Russia/Ukrain, but I really hope the world actually takes some firm action if trump seriously moves forward.