This is a classic example of the limited understanding that is possible with words.
Human beings are born pure and capable of forming opinions based on the knowledge they imbibe from the society. being inquisitive and capable of understanding they look towards tradition and culture to guide them.
All through the journey of life they always stand for righteousness as they have come to believe.
With the introduction of internet and distributed knowledge it is now possible for more and more people to look at different views from many angles.
Once the critical mass of good and open people is connected and working the tradition and culture will start talking about us and we as a species and do away the them or they or others.
People like you reading and promoting such thoughts are the common people who are going to make it happen.