A truly common culture is not one in which we all think alike, or in which we all believe that fairness is next to godliness, but one in which everyone is allowed to be in on the project of cooperatively shaping a common way of life.
You can't take people's opinions personally. Usually what people say about it is a reflection of them own issues.
I have this extraordinary curiosity about all subjects of the natural and human world and the interaction between the physical sciences and the social sciences.