They either refuse or are incapable of making any moral judgments. God's Word tells us there are moral absolutes, there are rights and wrongs. In other words, everyone of us is a sinner no exceptions. In other words, all of us deserve the eternal fires of hell for doing what is wrong. But the Good News of the Gospel is that Jesus was delivered over to death so we can have forgiveness of sins.
Forgiveness is never to be confused with toleration.
For God does not tolerate sin. He will not overlook it, or wink at it, or pretend it makes no difference. The Scriptures tell us over and over again that sin is an offense to and an act of disobedience against God. Because Jesus was delivered over to death the sins of those who believe are forgiven. Because Jesus was delivered over to death the sins of those who believe are forgiven.