I am probably in disagreement with ~100 billion humans when it comes to gender equality, slavery, appropriate treatment of venereal diseases, geocentrism, etc.

I am probably in disagreement with ~100 billion humans when it comes to gender equality, slavery, appropriate treatment of venereal diseases, geocentrism, etc. What am I to conclude from this disagreement? For me the "doomed last stands" have more to do with courage, sacrifice and commitment to a greater principle than the state of persistent and coordinated violence between two parties. I am also disagreement when it comes to equating self serving policies for nation states or commercial enterprises with "nobleness."