Answer:
Suddenly, normal journalism is an invasion of privacy, worthy of damages being awarded to the person being accurately reported on. The BBC isn't happy with this decision, rightly noting that it upends the practice of journalism, especially in cases of public interest, like law enforcement investigations for instance.
I would say that the line that contains the clearest example of dialect in poetry is the last one - "What then? Poor beastie, thou maun live!"
Beastie is a word used often in Scottish English, I believe.
Assuming you mean eclipsed, the definition for that would to block out of consume/obscure a light.