We allowed people to install arbitrary computer programs on their computers decades ago and, sure we got a lot of virus but, this was the best thing ever for computing

This analogy makes no sense. Years ago you gave them the ability to do something. Today you're conditioning them to not use that ability and instead depend on a blackbox.

It's all blackboxes

Your incompetence doesn't imply everybody else's.

Projection

Not sure what your point is. We are not talking about arbitrary computer programs here but specific one.

It's all computer programs all the way down

Is a cybersecurity problem still a disaster unless it steals your crypto? Security seems rather optional at the moment.