The worst three cults in history. Every other religion combined pales in comparison to the strife and misery these three desert faiths have wrought.
Abrahamism is a curse upon humanity.

What phenomenon leads to Abrahamists being so thin-skinned, obsessed, and mentally ill? I literally cannot think of a single other faith that is as braindead and cult-like as the unholy trinity of Muslims, Christians, and Jews.
Normal faiths don't kill you for leaving, deny basic science, or constantly try to deceive their own god, respectively.