What are you talking about? It's the engineering definition of "works" because engineers live in the real world and incorporate economic factors into their deci

What are you talking about? It's the engineering definition of "works" because engineers live in the real world and incorporate economic factors into their decision making to make something that works better under real-world conditions. If a solution merely mitigates the frequency or severity of a problem, the solution is obviously not better than doing nothing at all, since you just admitted it mitigates the severity or frequency of a problem. Would you rather have 100 0-days or one? Would you rather have a high-impact 0-day or a low-impact one?