Explanation:
by using some means of support like dates facts to achieve credibility and grabs the readers attention
Answer:
In the first two sentences, Sinclair implies that the meat industry is very corrupt. He is preparing to reader for his accusations against the industry
The reason why this is so important is due to the fact that if the information of the patients and practitioners are not protected, the trust between the doctor and its patient will become compromised. The patients will then avoid to share medical info related to the matter.
I think it would be and you ain’t done a thing, because all of the lines are just showing what hasn’t been fixed. But that sentence is placing the blame upon someone.