[pilsetnieks]

> It's like penalizing doctors if their patient dies

Doctors should be punished if their patient dies for reasons caused by doctor's own fault or by some unintentional action or inaction. That's why malpractice insurance is a thriving industry.

> In that case who's fault is it if they both built half a bridge that doesn't line up?

The chief engineer or the architect, the ones who signed off on the project. And again, that's why those industries have professional liability insurance.