I think journalists are constantly publishing information obtained through illegal means and it is legal.
http://www.al.com/news/index.ssf/2015/08/is_it_illegal_to_do...
It does not generalize to other professions/pursuits; it would be like saying "well, the person who reads the parking meters is allowed to issue parking tickets, so anyone else should be too" -- the person issuing the tickets has specific-to-them legal permission to do so.