God does not appeal to our faculty of obedience. Our faculty of obedience is broken and has been broken since the age of Adam and Eve. Therefore, God appeals to our faculty of rationality. He supports his appeal with evidence. It is up to us to reach a verdict. Hopefully, it is a verdict based on the evidence. Reaching a verdict is an evidence based endeavor.
The fundamental unit of thinking is the troika of question, answer and foundation. They are the sub-atomic particles that form the nucleus of a conception. An answer to a question derives its strength from its foundation. A weak foundation begets a weak answer; a strong foundation begets a strong answer. The truth makes the strongest foundation. Authority makes the weakest foundation.
The appeal that God makes to us is an appeal to our faculty of rationality not to our faculty of obedience. Our faculty of obedience is broken. It has been broken since Adam and Eve. [Unlike God, the Church tries to appeal to our faculty of obedience.] Furthermore, to appeal to our faculty of rationality, God does not use words. God puts us in intimate contact with the truth itself - both the sour truth and the sweet truth. God is the artist who paints the masterpiece of reality on the canvas of our rationality in the pigments of truth. Rationality steers the ship. The truth is the fuel of our rationality. When fueled by the the truth, our rationality steers us in the right direction. When the fuel of truth is fouled by a lie, our rationality leads us astray . God wields the sledgehammer of truth to shatter the illusions that distort our perception of reality.