Kashmir: Ground zero of global jihad

[ZenGum]

In its first usage, ground zero meant the point on the earth's surface directly beneath a nuclear bomb. I guess meanings drift over time, but I think you're drifting it too far. IMHO, YMMV, EAD, ETC

[xoxoxoBruce]

Then I suggest you pay more attention to the media usage of ground zero for the past 50+ years.

Home > Library > Literature & Language > Dictionary
n.
1-The target of a projectile, such as a missile or bomb.
2-The site directly below, directly above, or at the point of detonation of a nuclear weapon.
3-The center of rapid or intense development or change: “The neighborhood scarcely existed five years ago, but today it is the ground zero from which designer shops and restaurants radiate” (Robert Clark).
4-The starting point or most basic level: My client didn't like my preliminary designs, so I returned to ground zero.