Perhaps a potential reader should take a peep at the 'editor's notes' for an explanation. But the manuscript seems to have been received by the editor in 2019. Thinking it might be a typographical error, that the year should have been printed as 2016, this hypothetical individual will then look at the date of the introduction, at which point the person in question will be even more baffled: April 25, 2025!

Now this potential reader may catch another