There's certainly a disconnect if the request to allow original work is being read as 'original work by fans is always fannish'. As a creator of original non fannish work, that would be pretty startling. On the other hand I know and am part of at least one fandom of which ofginal work is part, so I think important that it'll be allowed.

And well, the inclusion would be for people for whom original works are part of their fannish experience, no doubt about it. (The problems start if you have people trying to game the system, but I doubt anything can be done about them, in any situation, much less something that won't mean excluding a whole lot of legitimate people.)