Again, hopw are sins paid for and atonementmade if not the PST viewpoint?I don't know anyone who believes in the "Christus Loser" View, but Christ is only the Victor because He fulfilled the will of the Father by laying down His life to redeem those whom the Father gave Him (John 10:11-18 etc.). This He did by paying the penalty for their sins in full on the cross (1 Peter 2:24 etc.).
More detail here: The Theological and Biblical Basis of Penal Substitution
and here: Penal Substitution and the Trinity