Billions of Hindus would disagree with billions of Muslims who would disagree with billions of Christians, who would disagree with billions of unaffiliated people/atheists.
Right, I was making the assumption this problem was solvable and that the contradictory ideas could be hashed out. You can imagine that happening with a single Muslim and a single Christian, it happens all the time that people have conversions with a close friend. The critique I pose is of scale.
Billions of Hindus would disagree with billions of Muslims who would disagree with billions of Christians, who would disagree with billions of unaffiliated people/atheists.