Misinformation, disinformation, self-righteousness (the better than thou approach) , tradition, and even fear itself.
Now the bible does say that those who continue to commit attrocities will remain outside the gates of heaven, in darkness.
What is darkness? It is ignorance of knowing how to reach out to the light.
They have no shame. They live in unbelief. And for many they are comfortable there. Always the victim.
And yet we know there is always hope, even for a dead tree when a little water is applied.
Job 14:7
For there is hope of a tree, if it be cut down, that it will sprout again, and that the tender branch thereof will not cease.
It is sin that is ultimately destroyed in the lake of fire. Consider Joshua...
Zec 3:2
And the LORD said unto Satan, The LORD rebuke thee, O Satan; even the LORD that hath chosen Jerusalem rebuke thee:
is not this a brand plucked out of the fire?
There is always hope.
Hugs