Why Did God Not Kill Abu Jahal In Childhood?
To my understanding Allah gave a choice of free will to be the best of his creation. We took the challenge of free will. Then to prove that we are the best we had to show that we are capable of using our free will correctly. Allah already knew what each person would do and he could have assigned some of us to the greater status than others, but then others would have complained that they didn’t get a chance to prove themselves. Thus, Allah created this test environment to give us a chance to prove ourselves, but I think in exchange for a chance to prove ourselves, he said that he will punish those who will fail the test and those who never believed or never asked for Allah’s forgiveness before death. If we had no taken the free will choice and not taken the test, Allah would have not have punished us. I also think that kids that die in young age may have been given another chance in another body to prove themselves later.
Another purpose of human creation also described in Quran is to prove the victory of right over wrong. Could it be that since Iblis refused to fall prostrate to a lesser beings who he and angels thought will only cause trouble in the World. But Allah wanted to prove that his new creation is superior and thus overall right will prevail over wrong to prove Iblis incorrect. Is this universe created to prove Iblis wrong? Perhaps. Then in this case perhaps all people who are doing wrong in this World will be forgiven and sent to a lesser heaven after some punishment. Or perhaps they will be given permanent death. I am guessing this because Allah has only threatened bad people with hell for eternity, except as he wills. On the other hand he promised heaven to good people for eternity, except as he wills. And Allah never breaks his promise.