Is your phrase "stops bombing countries just because it can" shorthand for something like "America is a too-often-immoral-or-incompetent global superpower"?
A quick peek at post-WWII military history - 150-ish countries that the US could bomb, multiply by 80 years, subtract actual bombings - suggests that "because it can" is a very weak description of Uncle Sam's bombing behavior.
And America was no saint during Carter's years - https://en.wikipedia.org/wiki/Foreign_policy_of_the_Carter_a...