Why do you think that people don't accept that in order to be certain countries in a war they need to use atomic bomb?
Obviously against Russia it wouldn't be a matter of if nuclear weapons would be used there would be a matter of when and who would draw first blood first. When you look at countries like Vietnam even if the US had public support from the US citizens between the Vietnamese tunnels and the fact that the Viacom were not going to quit no matter if they had a hundred times more casualties than the US to be able to win that war in the US would have needed to just drop an atomic bomb . When you look at Afghanistan and Iraq between the desert tunnels all the bomb s some of the tunnels are so well constructed that no matter how many bombs are dropped from above it's still won't reach the enemy. Ideally it's is best not to go to war but against your opponents the only way to be able to beat them is with an atomic bomb. Look at Japan realistically I wouldn't see Japan surrendering at the US not dropped in atomic bomb. I'm not saying the US would lose a world with these countries but I'm saying the war would never end