hahaha yeah cause if you say you are stealing wifi then you're kinda incriminating yourself. if you say you're borrowing or using it, well that doesn't sound so bad eh.
I just had a quick look on google, accessing a network without authorisation is illegal. as fucked as it is, this includes accessing unencrypted wireless signals that are beamed into your own home. If someone is broadcasting a signal into my own home then isn't that an infringment of my privacy? why shouldn't I be able to use that signal (as long as its not for illegal purposes). But really, common sense should prevail; if you dont want other people to use your network, then protect it.