Japan's government has finally eliminated the use of floppy disks in all its systems, two decades since their heyday, reaching a long-awaited milestone in a campaign to modernize the bureaucracy. By the middle of last month, the Digital Agency had scrapped all 1,034 regulations governing their use, ...
I mean it was a bit like a USB stick. Just nobody made the comparison back then because USB didn't exist. But yes it is removable storage that is read/writable.