Making scripture once again all about MAN! Your theology is totally man-centered!
And if all the wicked were "immutably wicked" and God's grace is not effectual, then from whence comes the power for the immutably wicked to change their wicked ways? How does man acquire a power that even God doesn't possess, since He cannot change his nature?
God can be man centered.
Jesus Christ is God, being man centered.