you summed up what I wanted to know so I will just copy it all.
Deef Pirmasens, the blogger who discovered the passages taken from “Strobo,” said that he could understand a few words or phrases seeping into the work through inspiration, but that he quickly noticed that there were too many for it to be a coincidence. “To take an entire page from an author, as Helene Hegemann admitted to doing, with only slight changes and without asking the author, I consider that illegitimate,” Mr. Pirmasens said.
Entire pages verbatim? She is the Vanilla Ice of literature sampling then.