Perhaps, but them how do you explain the claimed pattern that sales had been unusually consistent until just recently?

Well, the If Books Could Kill episode about The 4 Hour Workweek came out September 2023... https://podcasts.apple.com/us/podcast/the-4-hour-workweek/id...

They took him down, good work gents!

Hard to tell without numbers to back it up. The author's baseline is the year chatGPT was released, i have no idea at what rate they've been declining before that.