But he was less positive about Gatwick Airport's reactions, saying that he was "disappointed it took such a long time" to resolve and to get the right equipment in place.
That's because everyone thought that legislation was the way to fix it, so nobody had thought to ask the question "what happens if someone ignores the law", and actually put in place some concrete methods of dealing with the problem.
Also of course, it may be that there were no actual drones used in the shut down of Gatwick, just a number of phone calls?