I'm not the author of the original comment but I think scams are a lot more subjective and often are the result of a series of completely legal actions. The onl

I'm not the author of the original comment but I think scams are a lot more subjective and often are the result of a series of completely legal actions. The only identifying attribute of a scam be the intent of the actions, which is subjective. The act of murder is illegal in its own right, although sometimes justified in the legal system. I think the original commenter's point was that if you take for granted that people will act ethically with no ulterior motives, you lose a healthy skepticism that is very beneficial to a market.