Should not compare who is smarter than, I think the environment make a chance for people. Rosler is a lucky and smart guy, If he lives in Vietnam, He may be a driver, a doctor..etc. But In Germany, he is a vice Prime Minister, And I believe the environment creates a chance and helps him get a success nowadays. He is a German of Vietnamese origin, It only helps to prove Vietnam could creat talent people like any countries in the world. I also don't agree Germany look down on Vietnamese like some delusion German because Germany could not distinguish Vietnamese with Japanese, Chinese, Korean. How many Vietnamese in Germany, I guess not much, so a lot of German even don't know where is Vietnam on the map, Generally I think German don't care so much. They should care about refugee crisis, people from Africa and the Middle East are not like boat people.