1. Your opinion needs to be revised to be compatible with Quran and authentic Hadeeth.
2. Allah, The Glorious, Has created the whole universe in the most comprehensive and most accurate system and ordered us to follow the system to live peacefully and successfully.
3. Allah said in Qur'an: Every good deed will result in good and every bad deed will result in bad.
4. Allah does not need to do things himself but Has angles to implement and the whole creatures to follow His orders and system.
5. We always seek from Allah to forgive our sins and deal with us by His Mercy, not by His Justice. Our bad deeds can lead us to disastrous result if we are been dealt with by the Justice of Allah, that is why we always seek and beg to Allah, The Most Merciful, Most Gracious, to deal with us by His Great Mercy.