Jesus is fundamentally interesting because the moral teachings of the cult in his name have persisted as the dominant state morality for European societies for about a millennium and a half since Julian the apostate’s death to the present day.
Even Marx owes a huge amount of his philosophy to Owenite socialism and Christianity. The teachings of Jesus turn ideas of power on their head.
> There is neither Jew nor Greek, there is neither slave nor free, there is neither male nor female; for you are all one in Christ Jesus
This idea is so deeply ingrained in western morality at this point that most cannot even see it but Christianity is the bottleneck through which all egalitarianist thought in the west has passed through.
You talk about faith impeding critical thinking while in the same paragraph talk about secularism as though it arose out of nothing.
The moral philosophy of the earliest of christians is profound and is the foundation of everything good in western society. The fanatical purism and reaction in what followed is instructive in terms of the cruelty that can exist in people professing empathy and the pitfalls of expecting a state to somehow act morally.
If we are talking about Jesus the same way we are talking about Zeus it will be the end of history there will be because there is no power in the idea that everyone is equal.