For document management using SharePoint document libraries we’re encouraging using metadata instead of folders.
When working only with the browser client this works fine and we can create views based on that metadata.
Now, when using tools like OneDrive for Business to sync those files to devices some of the metadata will be available in the Office documents but not in the file system.
We cannot create the same views we have in the SharePoint document library on the file system of the device.
So we’re really not providing a “full-circle” support for such document management scenarios where we can take documents offline, manage them locally and sync them back once they’re back online.
What our customers need is an offline Client which supports metadata and allows them creating views and filters similar to the ones they have in SharePoint document libraries.