…and it takes time, and maybe a different kind of education, for a European to find out that the world has very different ways of normal, friendly behaviour, and different parts of life in which one is easily offended.
Also, I believe that every culture has to have a mental opening towards the rest of the world, you cannot close a country culturally 100%.

I totally agree that each country or culture needs to protect their ways of living, arts, music, etc, but not 100%. No single culture has the answers to all human questions.