Not sure what your argument is.
You said, ... i disagree with the premise that man is damned from birth due to Adams sin...
John 3:18 says:
I maintain that 'condemned already' IS the state of man due to Adam's sin.
Romans 5:12 KJV
Wherefore, as by one man sin entered into the world, and death by sin; and so death passed upon all men, for that all have sinned:
Yeah, Catholics... this means MARY as well!