What do you mean with Christian ethics?
Do you mean that Christian ethics was the basis for the inquisition courts, the torture chambers and the witch hunts?
The Christian churches have always sided with the rich and powerful, tyrants, slave traders, exploiters and warmongers. Do you think that the Churches are good exponents of Christian ethics?
A priest blessed the atom bomb before it was dropped over Hiroshima. Do you think that Christian ethical considerations lay behind this blessing?
There were many competing views in early Christianity. Many views were brutally suppressed and disappeared. Also today, there are many competing interpretations of what it means to be Christian. When you talk about Christian ethics and morality, which Christianity do you have in mind?