Dumbledore's role in this story is minimal at best -- mostly as an observer on the sidelines -- and as far as I can tell is not seriously divergent from canon. Given that the events of the story are very unlike anything that happened in canon (and the era of the HP continuity has been shoved some thirty years into future to match SAO), one cannot strictly say he is canon!Dumbledore, but he's certainly not any of the egregious fanfic Flanderizations.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.
-- Bob
---------
Then the horns kicked in...
...and my shoes began to squeak.