I am not doubting that Jesus was a real person and I am not sure where in anything I said previously you equate to me doubting that Jesus was a real person.
I was merely remarking on the argument Nietzsche was making in terms of Slave Master Moralities. I went back and It is in “Genealogy of Morals” where he makes a compelling argument in terms of what is created based out of a need to rise to power.
"The Masters are strong, creative, wealthy, and powerful. They can do whatever they like. They love themselves and see themselves as good. They name the opposites of themselves, the weak and feeble, as bad. Being bad is just how a person is, they didn’t choose to be that way; they’re just losers.
The Slaves are less well off. Oppressed by the Masters, they cannot do what they like. They are weak, poor, and resentful. They initially view themselves as bad, as the Masters do, because they lack the concepts to do otherwise.
However, Nietzsche suggests that after some time, a “slave revolt" occurs. This is not a physical revolution, as the slaves are too weak for that kind of revenge, but a moral one. In this revolt, the slaves decide that they can only endure their suffering if they redefine it as both being good and a choice. The slaves begin to praise the meek, the poor, and those who are unable to end their suffering.
The Masters are dubbed evil for choosing to be wealthy, powerful, and capable. The Slaves become good for being the opposite of the Masters. This gives them the psychological strength to carry on and allows them to get back at the Masters by undermining the values system that encouraged them to exhibit their strengths.
The Master morality involves those with strengths of both mind and body seeing themselves as good. It values things like wealth, glory, ambition, excellence, and self-actualization. It affirms life and everything in it.
Since the master morality is favored by the powerful or those with some strength, its followers are few. However, those few are unconcerned with the disapproval of the many. This also means the masters are creative, as they have no desire to follow a prescribed life plan and are willing to experiment with new life choices that suit them despite widespread disapproval.
An example of a morality that tends towards this would be that of the Ancient Greeks. Aristotle’s ethics, for example, pay no mind to the poor and praise the powerful man who can live life fully. The Greek heroes are strong, glorious characters who make their will into reality no matter the cost. This might be why they turned the phrase “the strong do what they will, the weak suffer what they must."
On the other hand, the slave morality condemns the strength that the hated masters possess and praises the weakness that they have. It is this act, the transvaluation of values, that Nietzsche sees as the key achievement of the slave revolt; he even praises it as an act of brilliance which succeeded in dominating western thinking for two thousand years.
After this revolt, things that the masters had were considered evil because the slaves used to lack them and the lack was made into something good. For example, Chasity was praised because the people writing the moral code couldn’t get the sex they wanted. Humility was held to be a virtue because they had nothing to be proud of. Endless generosity was praised because they needed help themselves. The slave morality is sour grapes made into a values system.
Of equally great importance to Nietzsche is the idea that the slave morality, under any guise, couldn’t stand any competing moral systems existing. Nietzsche posits that this is motivated by fear of what unchecked Masters might do. This leads to plans to take power, attempts to bring down the strong in the name of equality, the suppression of the minority who follow other moralities, the creation of stories about hell to terrify people into compliance, and the claim that the slave morality and way of life must apply to everyone.
Nietzsche thought the purest existing form of the slave morality was to be found in Christ’s teachings and explained that the Beatitudes best expressed the morality’s core ideas. He also saw the slave morality manifest in Buddhism, Democracy, Socialism, and other mass movements that sought to make everyone equal and encourage dull lives. Since the slave morality is often life-denying, he saw them all as part of the gradual slide into the nihilism which he feared." ~ BIG Think Article
https://bigthink.com/scotty-hendricks/the-master-and-slave-moralities-what-nietzsche-really-meant
Perhaps the mistake I am making here is assuming you read anything from Nietzsche to understand what the inference I was making.