Of course there would still be people like that. What I’m saying is there are exponentially more people like that when they’ve been raised from birth to believe in nonsense that warps their sense of right and wrong.
Take the story of Chad and Lori Daybell. She was a normal, successful woman who wasn’t a psychopath. She fell in with a pastor who convinced her of extreme religious ideals, after which they murdered their own children in a misguided belief they’d be safer in heaven than on earth.
I can list examples like that until the cows come home. Normal people who have become convinced to commit atrocities after being drawn into religion to extremes. It’s a psychological virus that can infect anyone. Most large-scale wars have a religious basis. All the biggest genocides have been committed in the name of religion. The best and fastest way to control people and warp their reality is to make them believe in a god.