I would say it's always *cosmically* worth it to do things that are unpleasant but valuable. Only individuals, though, can decide if the personal cost is something they can stand to pay.

It sounds like you're through the worst of it, writing-wise, and I think it's worth remembering that, if people aren't given the materials/information/viewpoints they need to learn or change their minds, they never will -- but sometimes a word or thought *can* strike someone the right way to change their lives. You can never say it *will* do so, but at least you've opened the doorway . . .