why
destroy the very means by which you would do so?
You don't, thats part of the problem. I think people got a bit excited after the collapse of the Soviet union and thought we would all live in peace and harmony.
As I keep saying, change on Social, hence political take many generations and effectively needs to be breed out. Another words once some change happens you need to hold the line for a few generations until a tipping point occurs.
The simple fact is, a lot of our potential enemies think along generational if not century time frames. There is no secret to the fact that a lot of strategists think the yanks will implode. As such there has to a particular amount of planning for that, so as be best positioned to take advantage of it.