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 th

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.)