It's not about how much absolute money is spent per each false positive, it's about how much you can get away with wasting. If a decision maker in the CIA is not punished for each brain fart, why would they avoid mistakes ? You get the behaviour that you reinforce and tolerate.
Exactly. A false positive likely results in more money because you need to buy more equipment to replace what you just used, and even more to do it "right this time".
