There's an old saying that "knowledge is power." However, long before anyone had written up a job description for an "intellectual property" lawyer, people were battling over who should and should not have access to knowledge.
Now, you might ask: What does the number of times the word "because" appears in a given work tell us about whether or not an author was influenced by classic literature? Nothing. The conclusions presented in the paper would be laughable -- if they weren't being taken seriously.