Would you work on a campaign for an arms company? Probably not. A tobacco company? No, it's illegal. At least it is in the UK, but how about elsewhere in the world? And what about fossil fuel? Or sugary drinks? Or alcohol? Moral decisions can sometimes be a maze of 'ifs and buts' and, as The Moon Unit outlines, while a moral framework is incredibly important, it's also fraught with dilemmas.