(AFAIK Gruber isn't a lawyer, so it's just an uneducated opinion)
That's a bit harsh; there's a large difference between an "uneducated opinion" and a "carefully researched assessment by a non-lawyer". Based on your criteria, no journalist could ever write about any topic but journalism.
That's a bit harsh; there's a large difference between an "uneducated opinion" and a "carefully researched assessment by a non-lawyer". Based on your criteria, no journalist could ever write about any topic but journalism.