After the wrong choice and action of the first human beings the elohim had no other choice than to bring over man the curse He had warned them for. But out of love for His creatures He also provided straight away a solution against the curse of death and gave man a second chance.
The Pentateuch and the words of prophetic man are still of value for today and contain a lot of wisdom and stories by which we in the present times can learn a lot from. By reading the prophetic books we not only can learn what happened in the past and how wars could be won, but also what is going to happen in the future and how we can prepare us for the coming World War III and the end-times.
Often Christians say the proof that Jesus is God is because he is called Immanuel. But if that would be so then we can find God still walking today in different places and sojourning in many families.