Ok, but then why not point out what I just did, which is that anyone but a state building such a thing is quite implausible? Pointing out that it takes a lot of hardening to protect against nukes just seems like a mis-step.
I think perhaps you need to make clearer who you envision as wanting to stop Moore's Law. Are we talking about private actors, ie basically terrorists with the resulting budget limitations; or states with actual armies?
In this essay I argue the following:
Full essay: http://www.gwern.net/Slowing%20Moore%27s%20Law