Read the following article and answer the question.

But that would require lots of rehearsal time , so it 's kinda on Sarah 's shoulders to make time for me . * * * I went to the park with Corey and her boyfriend Shane and his friend Emma to see Grease . After the movie I was talking with Shane , since Corey had run off to use the restroom , and he said " It 's a pretty good movie . " And I said , " Yeah , if you like slick pop entertainment .

Why does the narrator disagree with Shane 's take ?
The narrator thinks the movie was too poppy .