> It is exactly what people are referring to when they say 'open office'. What we need is a word for offices with 50 people in them.

Those have historically been called "bullpen offices".

It really isn't. Most people are thinking of this: https://blog.nuclino.com/files/9f08086a-9bde-4d95-929a-f7f2c...

No, open offices resemble sweatshops, 50+ people per floor with no doors, privacy, or noise barriers.