As these people were cultists, placing their faith in a different gospel, a different Jesus, and different grace, they weren’t Christians to begin with. They are no better and no worse off than unbelievers, except they should now see the truth more clearly than most. Probably a remnant will.
Don't count on it.
"... An Assyrian clay tablet dating to around 2800 B.C. bears the inscription: Our Earth is degenerate in these later days; there are signs that the world is speedily coming to an end; bribery and corruption are common; children no longer obey their parents; every man wants to write a book and the end of the world is evidently approaching.
"CRISIS THEOLOGY" in action. bttt