It's not a bug, it's just how the system works - points for adding content are implemented by the gift system, a gift from the site (which is still "(unnamed)" in your case). To resolve this we'd need to start maintaining separate tallies for every way gifts could be given, which would mean another 20 or so CPFs. I'm not opposed to that, but it require a fair amount of work to change.
Okay, I guess I was confused by Gift Points and System Gift Points. Maybe just changing 'Gained via gifts' to something like 'Gained via activity' would ease the confusion in the short term.
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(Click to enlarge)
#2597 - Unroll automatic system points from gift points into separate tallies