Its still a question of morality. Whatever form of community a person has, if theirs immorality then we are all not safe. On the current state of life and technology, there is a big question on this because there are really those who doesn't care for other people. About what you are saying regarding the safety of the bicycle and the wallet is not achievable anymore in the present life not unless their is a miracle. Of course we wanted those kind of security since nobody would wanted that their properties will just gone with the wind. The vulnerability of the systems will drive the immorals to do their thing.