They only need to work once. Then the deterrent value is clear. It's frankly the closest thing to a nuclear scenario you could get - in fact it's worse from t

They only need to work once. Then the deterrent value is clear. It's frankly the closest thing to a nuclear scenario you could get - in fact it's worse from the perspective that you enemies continue to live on while you wither. "At least" in a nuclear scenario both sides die. Global systems don't need everyone to participate; they just need the key players to participate. It's really a special club, and if you're not allowed in the club then you'll probably never be able to climb to that level from outside.