But what more should we expect from a weasily word lawyer? You latch onto the surface features of an argument in your desire to appeal to an audience who finds thinking difficult and never actually consider the totality of the argument itself.
Catholicism, at least at one time, encouraged rigorous thinking. It appears that whatever form of Christianity you practice no longer does so.
This is what you stated.
As best as I can figure it, it's a purely religious concept concerning man's ability to act independently of God.
That is explicitly expressing unfamiliarity with the concept. Here is something from the council of Trent.
Canon 5. If anyone says that after the sin of Adam man's free will was lost and destroyed, or that it is a thing only in name, indeed a name without a reality, a fiction introduced into the Church by Satan, let him be anathema.