Can an institution that formally confesses Jesus as the Christ, the Son of God, really be the Antichrist? That's the heart of it. The Johannine letters define antichrist as one who denies the Father and the Son, denying Jesus came in the flesh. Catholic doctrine, whatever its flaws, explicitly affirms the Trinity and the Incarnation. You can call Rome corrupt, misguided, even heretical on certain points, but the label Antichrist requires a denial of Christ that isn't there. Scandal is a sour note, not the same as the spirit of antichrist; otherwise the word loses all meaning.