Try as we might we can't unlearn a bias so easily. We are partly the product of our environment. We grow up and learn things that become ingrained in our psyche and we have a hard time admitting them to ourselves. While no one can be truly free of a bias, because we live in a mortal form, we can do what we can to be more understanding. Only when we accept that all of us are judgmental and form opinions before we know something, will we ever begin to change the way we think as a whole.