I personally do not believe that the creation of humanity was accidental. I believe God knew exactly what He was creating and knew exactly how He wanted it to work before He started working on it. One of the first things God did was create light. Since there was no light before, we can say that God did not need light and that he would use this light for something else. Then a few days later God creates the vegetation, without light the vegetation would not have the needs it needs to flourish. This requirement is evidence that the text shows us that God was prepared. If this were more random we might see a different story where God first creates vegetation and then realizes it doesn't grow, forcing him to create light. A final example of how prepared God was is the creation of human beings. To survive and grow strong, a human would need to eat. Although the human being was created last, when he was walking he had everything ready for him. Mortal man had light so he could use his sight and he had food so he could eat. These examples show us that God did not wait until later to realize that something else would be required, He knew beforehand what would be required, and He had a pre-established plan for