Well, the only actual practical use for such a weapon is as a deterrent against being attacked by a greater military power. If you ARE a greater military power, however, then you don't want a potential victim to have that deterrent, because it makes attacking them too costly.

I do agree that it's insane to want to build nukes in the first place. The trouble is, the genie has been out of the bottle since 1945, and there seems to be no way to put him back in.

It's also insane to plan wars of choice...period. But it's quite common. No one starts a war unless he thinks he can win it...and make material and political gains by doing so.

(I can think of one possible exception to the above...sort of. The Japanese started a war in December '41 that a great many of their top military commanders had serious doubts could be won. But they figured that not taking a gamble on it would mean total defeat anyway...with or without that war...since their sources of oil and steel had been cut off by FDR's embargo. It meant their military machine would grind to a halt in a year or two even if they didn't fight the USA, Holland, and Great Britain...and they were heavily involved already in a huge land war in China. It would cause them to lose all they'd already fought for. They couldn't swallow that, so they entered a world war which their best commanders felt they were quite likely to lose. Still, they gambled. They gambled on winning so big in the first year that they could negotiate an armistace with the USA on favorable terms and have a free hand in East Asia. They hoped for a limited war and a short campaign. It was a very long gamble, and it didn't pan out for them. And they should have known that it wouldn't. They were brought down by their own pride and fatalism.)