We need to pray for unbelievers to have their spiritual vision enabled for the first time.
So you mean arguing with them, and throwing Scripture at them, like a flaming iron dodgeball, when they are obviously not receptive, for 40+ pages, may not have been the right approach?
The presentation of the gospel (scripture) is not wrong for clarification in a theological discussion. That is another deception Satan would love to perpetuate. But if you want to talk about what IS wrong, let's look at our response TO the scripture.