In my opinion governments (UK was the recent example with their crackdown on encryption) don’t want security - they want backdoors to eavesdrop on you. Why would governments promote provably secure systems? And how such systems will help them with their evil plans?
He does address the costs: "The 2023 global nominal GDP is estimated to be $105 trillion. How much is it worth to ensure human survival? $1 trillion? $50 trillion?"
> Why would governments promote provably secure systems?
Promote? The state demonstrably wants provably secure systems for themselves, in the military but also in the civilian sphere, see Matrix/Element, see DoD, see massive state interest in cryptography. This is an incredibly disingenuous argument, you talk as if people discuss tuning a generalized Safety Dial without any distinctions down the line.