Students who are able to make predictions about a story, based on what they have already read, are also able to become actively involved in the reading process. In making predictions, students use critical thinking and problem solving skills.
Indifference because throughout the quote, the author just stated facts in a "no-emotion" standard. The use of the word "interesting" may lead to some thinking that it'd be fascination but the use of it does not change the overall tone much
The most likely implicit purpose of this interview is probably to announce the people that out there is a new weight loss program and to also give information to people so they can believe it and they can watch it.