I am respectful and kind to everyone until a person shows that they will not reciprocate that respect to others. Then I treat them as they treat others. I see no reason to play nice to anybody that sees me as someone undeserving of the same respect they give themselves.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell