They are the last gasp of a dead technology. They're dead and they don't even know it yet. What else has died since the 1920s?
The buggy whip is also obsolete from that period. Surprisingly we may see a rebirth of it.
When America sees what the occupation media has done, there will not be enough to pass around. Get in their face screams the media. We're going to to tan your hide instead.
The IBM Selectric, the last and best of breed before word processing took over. It is still a valuable office tool if anyone is lucky enough to still have one.