It’s very hard for the un-saved human heart to depart from self and their sinful desires.
They eat it up because it’s really what their soul desires.
Walking away and carrying your cross daily seems like too much of a burden for folks who love this world.
Most people are trying to figure out how to be comfortable with their sin and still go to Heaven so they can play golf every day. Paul comes down particularly hard on the self-righteous and the church is full of those.