Because it's history, which is your enemy. You balk at any ECF that disagrees with your preconceptions.
“Through envy and jealousy, the greatest and most righteous pillars [of the Church] have been persecuted and put to death. Let us set before our eyes the illustrious apostles. Peter, through unrighteous envy, endured not one or two, but numerous labours and when he had at length suffered martyrdom, departed to the place of glory due to him.”
Clement of Rome, The First Epistle of Clement, 5 (c. A.D. 96).
“I do not, as Peter and Paul, issue commandments unto you.”
Ignatius of Antioch, Epistle to the Romans, 4 (c. A.D. 110).
He was only trained by John the Apostle and only the 3rd bishop of Antioch, so what does he think he knows? Besides, it's not in scripture so you can ignore it.
‘You have thus by such an admonition bound together the plantings of
Peter and Paul at Rome and Corinth.”
Dionysius of Corinth, Epistle to Pope Soter, fragment in Eusebius’ Church History, II:25 (c. A.D. 178).
“Matthew also issued a written Gospel among the Hebrews in their own dialect,
while Peter and Paul were preaching at Rome, and laying the foundations of the Church.”
Irenaeus, Against Heresies, 3:1:1 (c. A.D. 180).
“
As Peter had preached the Word publicly at Rome, and declared the Gospel by the Spirit, many who were present requested that Mark, who had followed him for a long time and remembered his sayings, should write them out.”
Clement of Alexandria, fragment in Eusebius Church History, VI:14,6 (A.D. 190)
WHAT? EARLY CHURCH FATHERS? IT'S NOT SCRIPTURE SO I CAN IGNORE THEM!!!