Watch the following cartoon. Do these claims seem very important to you? Why did the professor not want to read the argument about Spiderman vs. Wolverine?
Is it really worth a whole paper to prove that Spiderman would win? What kind of class would this paper be written for? What other topics might have seemed more interesting or important? If you can see why the professor didn’t want to bother with that argument, then you already understand the principle here.