I have always been wary of public WiFi hotspots and the cowboys who think that it is smart to piggyback on an unsecured connection.
I came across this quote:
In the case of private unsecured hotspots there is also the question of whether you will still own your computer when you have finished using it.Experts said that if a person is comfortable with shouting the information that he or she is working with on their computer from a tall building for everyone to hear, then there should not be an issue. Otherwise, he or she might be taking chances.
Story is here: