I try to use RCC claims when I can .. If you researched it you'd see what PiousXII had to say and if you saw the names on the other bone boxes found close by it narrows it down quite a bit .. Simon Magus was from Samaria, settled by Babylon from Babylon exile and knew all the Babylonian religion .. Peter was sent to the circumcision not the gentiles though he did witness Jesus to many ..
Where was 1 and 2 Peter written? And, who were their audiences?
I don't believe Roman Catholic claims by default. I examine them.
For instance, they claim that they changed the Sabbath from Saturday to Sunday. This is not true. The vast majority of Christians were not observing Saturday after AD130 and this is a historical fact. It related to the persecution of Christians by Jews following the conflicts of the Jews with the Romans in AD66-70, and AD135. Christians did not support these rebellions against Rome, and as a result the Jews hated them and banned them from the synagogues.
Before that they were attending synagogue and hearing the OT Scriptures read, and meeting on their own on different days such as Sunday. After the Jewish persecution, they started meeting on Sundays exclusively, more or less.
Rome didn't even exist then as the controlling organization it later became.
So many anti-Roman Catholic sources distort history to claim other things, and the Simon Magus legend is from the same origin. Magus may have formed Gnostic forms of Christianity, but he wasn't the first pope.
This doesn't discount Roman Catholicism as an apostate church, though. I just don't believe all the Simon Magus fairy tales. He was a pretty low level player who may have founded a Gnostic cult. That's all I would attribute to him.