Are you aware of “Implied lack of privacy?” It means places where you cannot reasonably assume privacy, like a public beach or supermarket. Public forums and public wikis are about as implied lack of privacy as it gets. If you post a guide on stack exchange on how to solve a programming issue, you revoke your rights in how that information is used. This includes using it to create new software. If you decide you don’t like a program I created using your guides, well… That’s too bad for you. And no, this is not victim blaming, because I’m not defending actual theft or telling people to protect themselves more. I’m stating you cannot steal something that has been freely offered to the entire world.