There are many ways that Christians can treat God as if he were their butler. The more familiar ways are things like the prosperity Gospel, and teachings that say God wants to give you ‘your best life now.’
But there are other ways to treat God as your butler. A less familiar way (but all too real), is to make your own Christian discipleship not about learning and deepening your relationship with Christ, but simply proving to yourself that your beliefs are the correct beliefs, and the church would be better off if all Christians thought about things the same way you did.
The issue here is not the reinforcing of truth so much as the aim of the heart in having beliefs reinforced. There is a way to see how our beliefs are correct that leads us to rejoice in God, but there is also a way to see how our beliefs are correct that leads us to rejoice in ourselves, and look down on others for not seeing things the same way that we do.
When the ladder of those two happens, God and his truth have been turned into a means of my self-glorification. “Wouldn’t the church be a better place if everyone saw things and thought about things exactly as I do now?”
In that egotistical view of God’s truth, God has been turned into my Butler. His truth is no longer a means of my rejoicing in God, but a subtle way of rejoicing in me and condemning others for not seeing things the same way I do.