> it's difficult to pin down how evil something is You completely missed my point. You can't know how "evil" something is because "evil" is a point of view, no

> it's difficult to pin down how evil something is You completely missed my point. You can't know how "evil" something is because "evil" is a point of view, not an objective fact. > I think in this context it's fair to interpret a refusal to work on something you deem evil not as inaction but as an act that makes it difficult for evil to prevail. If most good men did this they either would not find persons to complete the work or only be able to find persons who cannot do it well or do it completely. I think you would prefer that this were the case, but it's not. It assumes that everybody else in the world with the type of training required to do the task also turns it down. It also assumes that a young, idealistic programmer with a talent for [crypto/big data/whatever] isn't convinced he's helping to protect his fellow americans by taking the very job you turned down. In a nutshell, it assumes everybody has the same moral values you do, which is demonstrably not the case. This brings up the question, if somebody is going to do that job anyway, is it enough that it's not you? In other words, is turning down the job enough to resolve your ethical dilemma? Personally, I choose Thomas's method of avoiding jobs that even make me think about it, especially when it comes to surveillance and privacy.