"The train might not pause or even decelerate at Humanville Station. It is likely to swoosh right by." (p4)
There isn't much justification for this claim near where it's made. I could imagine it causing a reader to think that the author is prone to believing important things without much evidence -- or that he expects his readers to do so.
(It might help if the author noted that the topic is discussed in Chapter 4)
The youtube video "Building Watson - A Brief Overview of the DeepQA Project"