Incomplete Report of "List of Attachment per User"

Hello,

On Report -> Miscellaneous -> "List of attachments per user" we can see the Attached Files (via Files tab) related to items  such as  Activity, Action, Meeting, etc....,   but not those under the Project element !  Is there a valid reason or is it a bug ?
Then, is there a way to see on "List of attachments per user" report displayed directly under Today page, the attachments inserted under Project element, too ?

Furthermore, under Activity Stream of any element we can see many feeds, ok,  but not feeds related to addition of attachment files.  I think that, for project users team,  knowing via streaming of this type of operation should also be useful

Regards