> 5. Therefore, anything that enables people to write faster is good for the students, who can get more paper written, or the paper better revised, during the finite time available for writing.

I think you're missing some logic in there somewhere. If a student fills in as many pages as they can, each with the number 1 written on it as large as possible, was this a good conclusion? The quantity of writing is not a good metric.

EDIT: to give a closer to reality example, an essay that's 4 times longer than a competing essay does not make it better.