[ctrlw]

Yes, I was missing a mention of that in the blog post and maybe a brief discussion why to do the manual setup instead.

[TMWNN]

Indeed. The post even mentions `raspi-config`, but doesn't mention `Performance Options | Overlay File System`. Makes me think that the author isn't aware of the option at all.

(The same way undoes read-only mode, but two reboots will be required instead of one.)

[musicale]

It is a puzzling omission.