People do know. Mark himself already commented on this thread.
On Mar 10, 2014 2:36 PM, "Joaquin" <email address hidden> wrote:

> A thing that I don't know is why this bug is being ignored since it was
> created...
>
> Why doesn't anyone knows about this annoying bug?
> El 10/03/2014 17:01, "mmalmeida" <email address hidden> escribió:
>
> > Interestng Mark.
> >
> > So this probably won't go into 14.04. It is a pitty - I think that
> > losing the ability to drag and drop from one place to the other (and
> > to/from file roller in particular) is a massive productivity loss (at
> > least in my company)!
> >
> > --
> > You received this bug notification because you are subscribed to a
> > duplicate bug report (774240).
> > https://bugs.launchpad.net/bugs/607796
> >
> > Title:
> >   Launcher, Window management - Dragging and holding a selection over an
> >   entry in the Launcher should spread out windows belonging to that
> >   application
> >
> > Status in Ayatana Design:
> >   Fix Committed
> > Status in One Hundred Papercuts:
> >   Fix Released
> > Status in Unity:
> >   Triaged
> > Status in "unity" package in Ubuntu:
> >   Triaged
> >
> > Bug description:
> >   If the user drags and hold a file over a running application in the
> >   Launcher, all the windows of that application should be shown with the
> >   spread. The user should then be able to drag and drop the file in a
> >   windows in the spread to load the file into that specific window.
> >
> >   Bug #727903 needs to be fixed at the same time.
> >
> >   -----------------------------------------------
> >
> >   History:
> >
> >   This bug had been previously fixed as "buggybutclosed" for Unity on
> > 2011-04-18, leaving this function with other bugs:
> >   https://bugs.launchpad.net/ayatana-design/+bug/727903
> >   https://bugs.launchpad.net/ayatana-design/+bug/727904
> >   https://bugs.launchpad.net/ayatana-design/+bug/727902
> >   https://bugs.launchpad.net/ayatana-design/+bug/764424
> >
> >   On 2011-10-18, it was reopened for regression in Oneiric.
> >
> > To manage notifications about this bug go to:
> > https://bugs.launchpad.net/ayatana-design/+bug/607796/+subscriptions
> >
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (870769).
> https://bugs.launchpad.net/bugs/607796
>
> Title:
>   Launcher, Window management - Dragging and holding a selection over an
>   entry in the Launcher should spread out windows belonging to that
>   application
>
> Status in Ayatana Design:
>   Fix Committed
> Status in One Hundred Papercuts:
>   Fix Released
> Status in Unity:
>   Triaged
> Status in "unity" package in Ubuntu:
>   Triaged
>
> Bug description:
>   If the user drags and hold a file over a running application in the
>   Launcher, all the windows of that application should be shown with the
>   spread. The user should then be able to drag and drop the file in a
>   windows in the spread to load the file into that specific window.
>
>   Bug #727903 needs to be fixed at the same time.
>
>   -----------------------------------------------
>
>   History:
>
>   This bug had been previously fixed as "buggybutclosed" for Unity on
> 2011-04-18, leaving this function with other bugs:
>   https://bugs.launchpad.net/ayatana-design/+bug/727903
>   https://bugs.launchpad.net/ayatana-design/+bug/727904
>   https://bugs.launchpad.net/ayatana-design/+bug/727902
>   https://bugs.launchpad.net/ayatana-design/+bug/764424
>
>   On 2011-10-18, it was reopened for regression in Oneiric.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ayatana-design/+bug/607796/+subscriptions
>