DoD hires all the scientists. The ones who don't get hired, go to pharmaceuticals (which have an excellent track record of morally dubious acts).
Nerds that I have have met or seen in mailing lists, have a strong co-relation with totalitarianism aka evil sysadmins.
I would like to call a distinction b/w Aron who is first and foremost a philosophy-geek, something that all idealists have in common.