- Jgarzik's optimisation to speed up the initial block download a little
do you have any other example where Satoshi uses "s" instead of "z" because this is the only single example you posted with an "s" and it looks like change-log which might have been written by someone else (like Garzik) and copied here.
even still, one example is hardly proof because it may have been autocorrect tool setting one variation over the other.
The examples are pretty well documented:
https://ungeared.com/the-strange-story-of-satoshi-nakamotos-spelling-choices-part-1/
Sometimes he even used both spelling variants on the same day:
[url width=440]https://i1.wp.com/ungeared.com/wp-content/uploads/2020/12/Days-with-both-British-and-Americna-spelling.png?resize=1024%2C477&ssl=1[/url]
So Satoshi was either multiple people or one clever person who was pretty switched on about OpSec.