Maybe being a bit paranoid, but I remember this happening before when Novell fired a radeonhd dev. Could it be that... ?
I am the radeonhd dev that got fired by novell. And I updated the email address to my copyrights, which is a necessary change to any software you have contributed to, this was not vandalism, this was at most showing that i was one of the victims.
The other authors were all perfectly ok with this change too, and why wouldn't they?
To top that, i do not have root access to kemper.freedesktop.org, and i made it quite clear that i was the one making the change.