You fight the good fight! It's important that people get to see the counter argument. It can also be good to blow off steam! Sometimes the argument may hit home. However, it's a spiritual issue at its core. "You gotta serve somebody" as Bob Dylan said. "It may be the devil, or it may be the Lord, but you gotta serve somebody".

The blind can't see, no matter how wonderful the painting. We have to fix the eyes first.