The OP was and is about:
God's sacred secret, revealed by Jesus and the Holy Spirit to the initiated chosen apostles, so that all who wish to be reconciled back to God can hear the gospel and learn of God's divine plan of salvation (Romans 10:17).
The first to teach the "mystery" were the prophets, and when their prophecies were fulfilled in Jesus The "mystery" was revealed and walked the earth bringing truth,salvation,light, and freedom to those trapped in darkness.
MAD has denied the very foundation of Jesus, His ministry, His Gospel, His teachings, and the revelation of the mystery by Jesus and the Holy Spirit.
Jesus and the Holy Spirit revealed the "mystery" or there would have been no revelation of the "mystery".
Eph 3:5
Which in other ages was not made known unto the sons of men, as it is now revealed unto his holy apostles and prophets by the Spirit;
Claiming Paul was the first to reveal the "mystery" denies the work of Jesus and the Holy Spirit.