Then why would Peter say one day is with the Lord as a thousand years, and a thousand years as one day?
Because a Day with the Lord is 1000 years on earth. Is the same time only a Day in Paradise with God? We are not told much about Paradise, but here is a thought. If there is no change at all then time is not even relevant. Now if all the change (on earth) that is seen in heaven is some sort of "live view" from earth, does change happen to them while watching those on earth? Do they watch for days, and then feel like no time has passed? Or do they look away, and the next time they view life on earth it is a thousand years later, because nothing literally changed for them while they "looked away"?
No one except perhaps Moses, Enoch/Elijah have been claimed to have entered Paradise before the Cross. So the first 4000 years, since the fall are not even relative as time in Paradise as just being 4 Days. If you take 2 Corinthians 5 and Paul's words, then literal souls have been entering Paradise and their incorruptible permanent bodies constantly for the last 1990 years or only 2 Days in Paradise.
That is how I see Peter's thoughts on his explanation of God's patience and longsuffering. Has God literally waited for 5990 years for the end of Adam's punishment? That seems to be the wrong approach. Humanity has endured 5990 years of Adam's punishment. We know humans are not patient at all.
My point is God made a promise that if certain conditions were met that Israel would no long be considered a nation before God.
Those conditions that you claim only God has control over.
I am sure that failing God is also not charged to our account. Does that mean their failures were not the reason they lost status as a Nation?
I do not think so. Remember that God did not set Israel up as a kingdom with a king. That was never their intended way to operate. God eventually suffered them kings, but all their kings were dismal failures. They could have beeen a strong Nation without a king. Instead God let them be a weak kingdom with no authority. Their strength was in their tabernacle, which then as a kingdom they demanded a Temple. Then the division between church and kingdom became blurred and they turned back to idols either way.
During captivity, Daniel prophesied that Nations would constantly rule over them even if they kept their temple and the Covenant. They were never promised to be a strong Nation ever again.
Was the church supposed to change that?
NO!!
The church was tasked to change the world and government from a grass root level. If enough people obeyed God and became disciples, control would be by a majority of people of like mind and will. The church was never to be a force of control and making people submit against their will. That is the definition of a Nation. Control of the masses by a few at the top. The church is the exact opposite. We the people capable of self control, thus a stronger form of government.
Could that have worked in 1400BC all the way up to the time of Christ? I think that it could have and Jerusalem could have been the center of power. Of course they did not let God work as history recorded. I think the church failed even more in that regard, although the church did spread the Gospel. They lost the goal of discipleship, and traded that for government. Even more so than Israel ever could.