Didn't Nero launch Christianity?

[Fake Messiah]

The same Paul who indicates Jesus was born of the flesh, had a mother, died by earthy rulers, whose brother and disciples he met are argued with?

Actually Paul constantly claimed that he has received his knowledge directly from Jesus. Meaning no apostles and no actual Jesus, no oral tradition, that it all came down from heaven direct to his ear, either via another vision of his Christ or the Lord God himself; like

Galatians 1:11-12   I want you to know, brothers and sisters, that the gospel I preached is not of human origin. I did not receive it from any man, nor was I taught it; rather, I received it by revelation from Jesus Christ.

Galatians 1:15-16  But when God, who set me apart from my mother’s womb and called me by his grace, was pleased to reveal his Son in me so that I might preach him among the Gentiles, my immediate response was not to consult any human being.

Do you not see why this sort of nonsense sounds like the stuff you hear from conspiracy theorist, like moon landing deniers, flat earthers, etc...?

Nah, more like Hercules deniers, Krishna deniers and Thor deniers.

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Well, we know Nero was a bastard.

So it seems prudent to blame him for inflicting this cult on us.

It seems it wasn't Nero but some of the later Caesars for even Christians themselves admit it. This is from Christian persecution page on wikipedia:

These persecutions heavily influenced the development of Christianity, shaping Christian theology and the structure of the Church.
https://en.m.wikipedia.org/wiki/Persecut...man_Empire