Thanks. Has there been any actual religious musing on this topic?
I mean, certainly God saw ahead of time that the first humans he made, other than Noah, would need to be wiped out. So, what was the whole point of all that? Why not just start with Noah? Apparently that guy was good enough to get God's favor over everyone else. No one who was alive was every going to be, or ever have a descendant that was going to be, in God's favor... apparently. I don't get pre-Noah history. Insights appreciated.
God knows everything in advance. Earth is a process for humans to show up who they are and to be witnessed by the angels and chosen saints. Such that God will legitimately bring the qualified to heaven where is an eternity for the qualified humans and angels to live with God forever.
Part of God's Ultimate Plan is build the heaven. God is completely incompatible with sin. So He defines Law to qualify entities with freewill, angels and humans, to enter heaven. It's more like, "I am incompatible with sin, so I set the requirements here that if you are not qualified, you won't be able to live with a sin incompatible God in such an eternity". So Eden was built to demonstrate, as a process of witnessing, that humans cannot be brought to heaven directly without filtering out the unqualified. If all humans are brought directly to heaven, some of them will choose to sin. So planet is thus a place serving as a filter where you show up as who you are for God to legitimately bring you to heaven. It's more like, "I showed everyone that this guy is a qualified one, so now I bring him to heaven where he will live with me forever. "
After Adam was kicked out of Eden. Humans are no longer living inside God's realm. When put outside God's realm (Satan is said to be the god here), no one is capable of abiding God's Law. Whoever put outside God's realm and under the influence of Satan and each other, will inevitably break God's Law. So no humans can be qualified to enter heaven legitimately.
Pre-Noah history demonstrates that "none of you can be qualified to enter heaven, I need to do something or else all of you will have to be abandoned". In this perspective, humans are exclusively born to be the sinners.
Now it comes the covenant. A covenant basically says, "since you humans cannot keep God's Law in full, you are given a chosen set of Law (such as Mosaic Law in a covenant granted to the Jews) which you can keep to a standard God specifies such that you will be saved by God's Grace through Jesus Christ."
A covenant is thus always granted unlike a contract which is signed by mutual agreement. It is because without such a covenant, no humans can be saved.
As time goes by, humans sin more and more and will go further away from God, under peer influence and influence of Satan and his angels. So even the covenant born with you won't be able to save you.
God thus provided the New Covenant as an option. The difference of this New Covenant is that,
1) it's not born with, you need to make a choice with consent in order to be under the protection of this New Covenant.
2) it's permanent because its Grace is maximized where Law is no longer a measurement. The only measurement which qualifies you is Faith which is God's Grace earned through Jesus Christ.
As a result, post-Noah humans are all covered by a covenant which makes them capable of being saved. Humans pre-Noah were uncovered by any covenant. It's thus impossible for them to be saved. However, the Bible seems to hint that somehow pre-Noah humans are also covered by a covenant given in a special way. Christ may have passed such a covenant to them through His three days in Hades. So pre-Noah humans, somehow, may possibly be covered by the New Covenant.