In what I wrote in the post that you quoted, I wasn't talking specifically about Peter being in Rome.
I was talking about the presence of Christianity and Christians in Rome before Paul arrived.
Acts 28: 14 So we came to Rome. 15 From there the brothers, when they heard of us, came to meet us as far as The Market of Appius and The Three Taverns. When Paul saw them, he thanked God, and took courage.
So there were already Brothers in Rome who came to meet Paul.
Romans 1: 8 First, I thank my God through Jesus Christ for all of you, that your faith is proclaimed throughout the whole world.
The faith of Roman Christians, before the arrival of Paul, had been proclaimed throughout the whole world.
Romans 1: 13 Now I don't desire to have you unaware, brothers, that I often planned to come to you, and was hindered so far, that I might have some fruit among you also, even as among the rest of the Gentiles.
But Paul had never met them.
I was talking about the presence of Christianity and Christians in Rome before Paul arrived.
Acts 28: 14 So we came to Rome. 15 From there the brothers, when they heard of us, came to meet us as far as The Market of Appius and The Three Taverns. When Paul saw them, he thanked God, and took courage.
So there were already Brothers in Rome who came to meet Paul.
Romans 1: 8 First, I thank my God through Jesus Christ for all of you, that your faith is proclaimed throughout the whole world.
The faith of Roman Christians, before the arrival of Paul, had been proclaimed throughout the whole world.
Romans 1: 13 Now I don't desire to have you unaware, brothers, that I often planned to come to you, and was hindered so far, that I might have some fruit among you also, even as among the rest of the Gentiles.
But Paul had never met them.
15 And from thence, when the brethren heard of us, they came to meet us as far as Appii forum, and The three taverns: whom when Paul saw, he thanked God, and took courage.
I am not sure the word thence in verse 15 mean Rome.
1. Les se verse 14 the last sentence say :" and we went toward Rome"
So thence in verse 15 can mean a city or town from departed town to Rome.
2. Read what Christian do every time apostle visit the town, ex verse 14 they give them shelter, not in Rome
3. Why Jews in Rome don't know about Christianity and willing to hear from Paul, if Christian already there
Rome 1;8 didn't say the letter before Paul in Rome
Rome 1:13 didn't mean Paul never meet them, can be Paul meet them before and moving to other town.
And Paul miss them. If Paul,never meet them why he wrote a letter to them.
Anyway you don't believe Peter was pastor there, and this letter support that, it is unaprropriate if the president was pastor there and member of cabinet wrote that kind of letter.
So Peter not pastor there and pope is not Peter successor and catholic history is lie.