The biggest threat to our liberty is HMUKgov
The university doesn't come out well - typical academia fudge where common sense and personal responsibility is ignored. The uni powers-that-be should never have passed this on in the first place. The Police have perhaps over-reacted initially, but took the right action insofar as not placing charges and the Home Office needs a good kicking for the rest of this stupidity.
Welcome to Britain - "home of democracy".