Ultimately you are removing one labourer from the pool that is willing to contribute towards unsustainable practices. The aggregate effect, assuming that you'r

Ultimately you are removing one labourer from the pool that is willing to contribute towards unsustainable practices. The aggregate effect, assuming that you're a competent developer, is that these businesses are less efficient. Ignoring that, it's good for your own soul to not do things you think are bad.