I think I see your point, and mostly agree with it. And I think you don't quite see my. (Of course, I might be mistaken, and it might actually be the other way around.)
Consider this example: We have a nice beach. Part of this beach has huge waves, rocky, dangerous shore, and sharks. You, as the authority, have 2 options: 1) forbid swimming for everyone, and 2) warn about the dangers and let individuals decide.
I can see how different people might choose different solutions, but I, don't like others telling me what to do, for my safety.
Of course, if you just leave it like that, the public is going to loose confidence in that beach. But, if you put up warning signs, like "WARNING, very dangerous. Huge waves and sharks! 17 people have already died here this month alone!!!", which are probably going to deter anyone who isn't absolutely sure in what they are doing (or very drunk or very stupid), I don't see how the public might loose its trust. Especially if there is a very nice beach, perfectly safe, with a beach guard, quite near-by.