Sound like someone trying to hide a message for himself in plain sight.

Imagine Satoshi wanting to keep one or more of his private addresses very secret. Maybe using something like a brain wallet. He was pretty good at statistics and as such he knew that the amount of words needed was going to be rather long and complex. Maybe with a misspelling or two.

How to hold on to this for decades if you know you will go to other parts of the world and you suspect the police will get involved?

Simple, write a letter to a public figure so crazy and yet so smart it will get stored on the internet for live.

I would suggest he knows the trick and remembers it, and on top of that remembers one or two more words that are needed to complete the puzzle but are not written down anywhere.