They didn't move too far away from RC error when they (Calvin and Luther) took Anselm's Satisfaction Theory and expanded and worsened it into PSA. Also, the Magisterial Protestant view of God and man fits right in with the Roman/Latin/Western errors.
The Reformers
corrected 'Satisfaction theory,' and by going back to the Bible were able to point to the truth of Penal Substitution. Not that PSA was a new doctrine; it was well-known in the early Church as I have shown elsewhere. I can post the relevant quotations from the ECFs again if anyone wants.
Anselm was a medieval theologian and lived under the Feudal System that was current at that time.
Suppose that two serfs get into a fight and beat each other up. In such a case, satisfaction can be achieved simply by them pardoning each other. But if a serf were to strike his feudal lord, or worse yet, the king, how much greater would the offense be considered? The serf would be most severely punished, and probably put to death. So how much greater would be the offense of sinning against God! To Anselm and his contemporaries, sin was 'not to render one's due to God.' Anselm argued that if God merely forgave sin it would be unbecoming of Him; it would be inconsistent with His character and dignity. He wrote, "It is necessary that satisfaction or punishment must follow all sin." Because of the greatness of God's character, only one who is of the status of God can make such satisfaction. The problem is that it is humans who need to make that satisfation; they are the offenders, not God. Only Jesus, the God-man, is able to make such a satisfaction, hence the cross.
The problem with Anselm's understanding is that it minimizes grace. In his presentation, what motivates God is not a loving desire to redeem sinners, but that His honour and dignity are satisfied. However, a younger contemporary, Bernard of Clairvaux (b. 1090), that it is not God's honour that is at stake but His justice. He wrote, "I was made a sinner by deriving my being from Adam ... Shall generation by a sinner be sufficient to condemn me and shall not the blood of Christ be sufficient to justify me? ... Such is the justice which man has obtained through the Redeemer' (
The errors of Peter Abelard, 6,16-17). He continued: "If one died for all, then all were dead, that the satisfaction of onemight be imputed to all, as He alone bore the sins of all; and now he who offended [i.e. sinners] and He who satisfied divine justice, are found the same, because the Head and the body is one Christ" (ibid). In his famous hymn, "O sacred head sore wounded," Bernard's thoughts are still upon Christ's substitutionary death and he rightly glories in it:
I read the wondrous story,
I joy to call Thee mine.
Thy grief and Thy compassion
Were all for sinners' gain;
Mine, mine was the transgression,
But Thine the deadly pain.