Reason number one why these will be banned soon
No, it's not. A drone will be used in a successful UK terrorist attack that will be attributed to ISIS.
There will be a huge over reaction, and don't forget that we now have the most successful Home Secretary of all time as Prime Minister. Ms May will jump so far down your throats she'll probably emerge in Australia. You'll all be branded potential terrorists and crucified by the media as they drag up every recorded instance of a drone straying into restricted air space or flying over a school, power station or dog kennel. Have you forgotten the complete elimination of the UK gun market following the actions of one crazy man in Dunblane? As a result, the UK has now even made some Olympic sports illegal, upon pain of imprisonment. And you're all soft targets for emergency retrospective legislation.
Enjoy it while it lasts, because it won't last for long...