Thats not how it works or means at all.
That doesnt mean its public land with default right of access for all activities. (Quite the opposite in fact given most of the area is tenure farmer and others).
There is very little public land anywhere...
The UK actually has very little public land. Thats the problem.
Crown estate/foreshore but not much else.
If you're going use the "airspace" argument, you need to make sure youre on public land first.
Unlikely. Usually take the police 3-4 weeks to follow up on drone reports like that as its low priority. And generally a Sunday. Ususally though they wont bother. If the person has gone theres no offence anyway.
Ultimately if its private...
If the car park is owned by them then yes they can tell you to leave. Its their land. They dont need signs to specify every allowance or ban.
Perfectly entitled to do whatever they want on it. They cant stop overflight but can tell you to not...
Were you on their property? In which case they're perfectly entitled to tell you to leave.
There can be privacy issues (as the drone code and CAP mention). I can see why me in a meditation place maybe a bit worried about it.
In those...
