Worshiping evil means you are a BAD person. The elimination of BAD people has to start somewhere!
"DOOM" started as shareware in 1993. All the criticism levelled at just that game by fundies for all the satanic imagery within such. The rest is history, to say nothing of what inspired their next game "Quake": HP Lovecraft.
id Software are still here to this day, Dick. And still based in the Buckle of the Bible Belt: Texas. Their founder John Carmack is an Atheist.
I think you'll find that it finishes at the doors of a certain tech company since id was bought by Microsoft.