They aren't going to take the risk. Trump might as if he thought his move would make him a hero. a strong man in some eyes. He wouldn't
care about repercussions. He wouldn't care. And that is not an argument for Putin wouldn't have done it if Trump was the president.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”