There's always something worse, so that's not a reasonable way to decide whether something is sufficiently moral. Hit men can say, "Sure, I kill people for a li

There's always something worse, so that's not a reasonable way to decide whether something is sufficiently moral. Hit men can say, "Sure, I kill people for a living, but it's not like I eat them or have sex with their corpses after. Those are the real bad people; I'm just a professional doing a job like any other Joe." You can try constructing a universal moral scale if you want. For me it's sufficient to see if the people I might hire are good matches for the work and the team.