This is app. not really 'bad' or evil as such. It's not like he is breaking into computers, stealing money or defrauding people. All the app. does is something other phones can do like Nokias and Android phones, but Apple or AT&T don't want you too.
In a few years this tethering will free on the iPhone (think competition) and common place or obsolete (multiple SIMs, same contract) and no one will care.
In a few years this tethering will free on the iPhone (think competition) and common place or obsolete (multiple SIMs, same contract) and no one will care.