Giving away domains may be a good short term business practice. It gets people in the pipeline, gets them to see the value, build sites in the registry and encourages repurchase when it comes to renewal time. But the geographical domains are not supposed to be generic, and given away to anyone for the asking. What is the point of a having a geographic TLD if people or entities owning them have no connection to Berlin.
Soon, register your new .BERLIN with the World's Largest Registrar - GoDaddy.com