There is a lot of stuff that should NEVER appear in a mixed view. (Google is full of examples of that.) Tag coulds and other meta data can still be very useful

There is a lot of stuff that should NEVER appear in a mixed view. (Google is full of examples of that.) Tag coulds and other meta data can still be very useful. The challenge is creating useful tags/meta data automatically. For example a time stamp for every modification or a label for every application that created, modified or loaded the file. Perhaps even the applications you were using when the file was created/modified and the file names of the files loaded into the application. Train some AI to show you files you probably want given your current activity.