We should never denigrate any other culture but rather help people to understand the relationship between their own culture and the dominant culture. When you understand another culture or language, it does not mean that you have to lose your own culture.
Besides Germany, the only countries that don't have speed limits are places like Nepal, where road conditions are so bad that a limit would be beside the point. In other words, it's a little crazy that this is even a topic for debate in Germany.