Indeed,
You have to decide for yourself if you are up to the task or not. It is called personal responsibility. We don't put signs above fireplaces saying "Don't put your hand in the fire" as well. I think the legal system still assumes that a normal adult doesn't need a personal guardian all the time to tell him what is wise and what is ... ehhh ... unwise I hope we never go to a justice system that is based on endless litigation.
Wouter