You forget that with the first sin human nature was changed and became something unnatural. I believe even Fr. Seraphim Rose said as much.
And btw, for all you Calvinists out there, if this rejection of "sin nature" is the position of true, authentic, historic Xianity (not that anyone can get you to believe that), why was a new religion needed in the first place?
‘New Religion’?
Let me think.
🤔