Which of the following is FALSE according to chapter 10 of They Say / I Say ("But Don't Get Me Wrong")? Metacommentary can add both length and depth.

If your writing is clear to begin with, you don't need metacommentary.

Metacommentary can help you answer the important questions "who cares?" and "so what?"

Most persuasive writing doubles back and comments on its own claims that it's already made (in order to help readers process them).

Titles can serve as metacommentary.

Metacommentary can help indicate that one claim is more, less, or equally important to another one.