The use of the relatively tiny atomic bombs to end WWII can be interpreted with equal logic as a war crime or a practical means of ending a war that would otherwise linger on indefinitely at the expense of both sides of the conflict.
I'm sure the latter argument fails to resonate in Japan and I would like to see an international ban on any military action that deliberately targets innocent civilians. That we manufacture and store a nuclear arsenal capable of destroying our species is pathological.
What we should be seeking is an absolute eradication of every nuclear weapon in existence- but that would require the collective sanity of our species so cannot possibly happen.
Still, we have to try.
Weapons are developed to never be used, nuclear weapons even more so. Their best purpose is deterrence. It's not pathological, it's completely logical.