Didn't say it was required, but if you were given a break like that I bet more often than not, your going to read the book if it isn't a massive undertaking like GoT or HP
So now their job is to not give a shit?
Aren't they there to provide news for people who watch their show, and might give a shit. Imagine being a fan of hers and to see them end the interview prematurely because someone sensed an attitude when there really wasn't one.
They're there to provide news, yeah, which is why celebrity interviews their producers lined up to earn some extra scratch is at the bottom of their priorities. They don't earn enough on those interviews to have any incentive to do better, and they're targeting a specific audience anyway. If they were brilliant interviewers they'd be doing something else, and if the films producers wanted that they'd have booked something else.