This is typically what happens unless the users of the software really need it. For example the concept of folders is really outdated, but good luck getting peo

This is typically what happens unless the users of the software really need it. For example the concept of folders is really outdated, but good luck getting people to use a good tagging system to replace it. Law firms are heavy users of a DMS, especially versioning. Insurance companies use it too, but probably not versioning. So there are customers, but quite specific. Most people have only interacted with file management systems, which are far more basic in their functionality.