Zero chance you can harden all of these...even in a forty-year period. I grew up in a rural area...sub-station sat by a road, with a 1-star fence around it. Any idiot could have jumped the fence or blown up the station. Probably in same condition today.
Exactly true. See #3 about building vs wrecking high-trust societies.
Much of our critical infrastructure is just out in the open, waiting for any malcontent to destroy it.
Power companies even provide handy “Don’t Dig Here!” maps to show precisely where underground electric cables, gas lines and fiber-optic cables are located.
Exactly. Human assets would be needed to harden these sites.
Beat me to it
Hardening against cyberattacks is doable, physical attacks it basically impossible and certain infeasible