It is true that some liberals and humanists, along with the laid-back Danes, deny the existence of evil. This is largely because they regard the word 'evil' as a device for demonising those who are really nothing more than socially unfortunate.
The second advantage claimed for naturalism is that it is equivalent to rationality, because it assumes a model of reality in which all events are in principle accessible to scientific investigation.
I've never done anything for money. My first love is things of limited commercial appeal. I could be happy doing Shakespeare for the rest of my life.