How are all religions conservative and oppressive? How is that the point of their existence?
Like have you ever read anything about early Christianity compared to how things were around it at the time? What about Mandeism? What about the early Hindu schools like Advaita Vedanta and Vaisheshika? What about Sikhism, which is explicitly egalitarian and humanist?
The Renaissance was just a stage of development of Christian values. Like Capitalism after it (which was an evolution of Protestant values) and socialism.
Arguably modern science was born in the Catholic Church.
Why do people speak so confidently about things they know so little about?