For my first post on this board I would like to ask a question that I asked on another board. I just would like to know your opinions.

If a complete stranger has file and print sharing enabled on their computer, is it illegal for someone else to connect to that person's computer and view their files if no password is enabled and no firewall is installed? After all, that is the whole point of having it on in the first place, right? I mean Windows even comes with a command so that you may link to their shared resources.