Comment by Zambyte

It depends on the goal of the text. I don't care if technical documentation is written by human or machine. I care if it's correct and helpful. I don't care if a letter providing emotional support for a lost loved one is a perfectly accurate, beautifully structured piece of text. I care that it's heartfelt, coming from a person that meant what they wrote. Such metadata is important for the latter, but irrelevant for the former.