The atomic bomb made the prospect of future war unendurable.
American Relativism and The Murders We Commit
Cristina Loughrey

It’s kind of weird, because it’s also allowed people to be somehow OK with “low level” wars. The forever war that is currently being fought.

Or is that simply that these forever wars are what you have when there is such an imbalance of power? You end up a “war” with each side fighting with different rules, so there is no great way to come to an end game?