People can learn specific tricks that can only be used for evil, such as sleazy sales tactics, but I think the more general understanding required to come up with those tricks can also be used for things like preventing people from fighting due to a misunderstanding or lack of trust, which is usually good.
People can learn specific tricks that can only be used for evil, such as sleazy sales tactics, but I think the more general understanding required to come up with those tricks can also be used for things like preventing people from fighting due to a misunderstanding or lack of trust, which is usually good.