A couple things. 1) Not all computer scientist are security experts. 2) The security experts came to the conclusion that hardening the system to the point whe

A couple things. 1) Not all computer scientist are security experts. 2) The security experts came to the conclusion that hardening the system to the point where you could depend on its integrity (and the system still be widely usable) wasn't feasible. 3) Making one process manual in order to protect the outcome != giving up on technology and becoming a luddite.