I guess they figure the underlying sins of the world never change, even if the specifics do. (religion.blogs.cnn.com)
The king had another son, born many generations later, the progeny that fulfilled the foreshadowing of the entirety of the Scriptures, and this son genuinely paid for the sins of that father, and all of the other sins of the world. (firstthings.com)
Jesus, I have come to know that you do not want me to distinguish my sins from the other sins of the world, but to enter more deeply into your heart and consider myself responsible for the sins of those persons whom you may wish: those of Alain, of anyone else as it may please you. (firstthings.com)