Army is created to do arguably worse things than spies. There are people who completely reject the idea of military - but the bulk of society tend to accept it

Army is created to do arguably worse things than spies. There are people who completely reject the idea of military - but the bulk of society tend to accept it as a unavoidable and tries to control it and make it least evil possible. Some spying is probably unavoidable in the current world - and just like with the army we need to think how to control it and make it civilized. Getting on a high moral horse only makes the matters worse.