If India, or even Pakistan starts a war by launching a nuke, the economic sanctions from the world would be enough to make sure that the aggressor pays for that.
If however a full fledged war is ongoing and one of the engaged countries decides to nuke a strategic none populated location, the...
Although I accept your points, I would also like to draw you towards some other merits of JF-17 program;
1/ home grown (mostly) so its quiet cheap
2/ it paved the way for future stronger ventures with not only China, but also improved our chances of making a joint venture like this with other...