I find it completely understandable that a journalism professor would refuse to accept data from an entertainment source. I would imagine that he is trying to teach his students how to be journalists. There should be some other course that they can take within the creative writing field where they could use sources like TMZ, Entertainment Tonight and Fox News.
"Knowing there is a world that will outlive you, there are people whose well-being depends on how you live your life, affects the way you live your life, whether or not you directly experience those effects.
You want to be the kind of person who has the larger view, who takes other people’s interests into account, who’s dedicated to the principles that you can justify; like justice, knowledge, truth, beauty and morality.