unfortunately nothing happens over night
With all due respect, HighandWide, but 18 months (between "Japan" and "Ueberlingen") should have been enough time to implement proper regulations.
4 pilots and 79 passengers got killed, an ATCO became a victim subsequently,
7 employees of Skyguide are currently being questioned by the examining magistrate and they potentially face trial.
And ICAO is getting away with it!!