My disagreement with this doctrine boils down simply to my understanding of the atonement, of grace, of the purpose of faith, the mercy of Almighty God and his promises from Scripture that repeatedly confirm our standing in Christ after our personal acceptance of him as savior. To me, to believe in any temporal place whereby a born-again believer in Jesus Christ must spend time to be cleansed from even minor sins - as if God really differentiates sin - is counter to the entire concept of the blood of Christ cleansing us from all sin. Either this scripture is wrong or it is truth. I don't see any wiggle room here. I think some of the early "Church Fathers" had too much time on their hands and delighted so much in their philosophical arguments with each other and the secular minds of the day that they missed the "simplicity that is in Christ".
Coming from a your background I thInk that was one of the most honest evaluations I have ever read on this website. I believe you to be a fairly honest person.
You wrote:
“... an intermediate place...”
“To me, to believe in any temporal place whereby a born-again believer in Jesus Christ must spend time...”
Purgatory is not a place. It is not a temporal place. There is no time there at all.