Very interesting points! Rather than replying individually (shortage of time), let me reply to all of you here.
I don't understand why a war with China would be academic, with nukes or without.
Even Japan and other nuked places showed a far less than total annihilation. Then if we even draft ourselves (I would hate to be drafted), China's headcount advantage would still remain before and after the mutual nuking. The American drafted meat-shield will not be as effective as the historic Soviet one was against the Nazis, because we don't have the headcount and area advantage.
I think, as China is gradually building up its domestic consumer market, in about 10 years China will not depend on the US, and we may well see the world's oil trade switch away from the US dollar, the reason why the US invades every middle-eastern country today and creates revolutions.
Isn't a direct war with China inevitable, after a series of proxy wars such as maybe Korea and Taiwan?
I suspect, that every time when a new power emerges, a world war kicks in, like it was with ww1.