If you see aiding the other group as a moral evil, of course you'd rather incur costs yourself or to your group rather than participate, even in a small way, in

If you see aiding the other group as a moral evil, of course you'd rather incur costs yourself or to your group rather than participate, even in a small way, in supporting something you believe to be evil. I don't want to distract from the generic point with a specific example, but it's easy for me to think of causes I would spend 10x of my own or my group's resources to prevent that other cause from receiving a benefit.