> I'm not sure that a detached outsider is in a better position to come up with what's needed to fix the system, being ignorant of both what the system is and why it was set up in this way. At least the latter is required before coming up with a new, improved system.

I guess I didn't express my "detached outsider" argument very clearly. I wasn't trying to suggest that outsiders should dictate specific policies of Wikipedia's editorial process. That task should be left to those who actually know the community well. But formulating specific policies is not all there is to policy-making. Policy-making also involves philosophizing about general principles, such as "What kind of website do we want/need Wikipedia to be?" This is the area where deletionists and inclusionists seem to disagree the most sharply, and since debates in this area seem to have been in a stalemate for quite a while, this is the area where I think fresh perspectives are needed the most. It is also the area where one can make valuable points without having to have been a Wikipedia contributor for 5+ years.

If you interpret pg's suggestion as "You have plenty of space," then of course he's just rehashing the paper vs. toilet paper debate. But IMO the core of his suggestion is "There is room to do to Wikipedia what Wikipedia did to Britannica," i.e. radically more inclusive, more dynamic, more egalitarian, more accessible, etc. This is a matter of general principles and ideals, not specific policies. pg didn't suggest specific policies as an alternative to the current way that deletions are handled. Rather, he invited Wikipedians to step beyond internal politics and think more deeply about what role they want Wikipedia to play in the context of broader social changes. To call his argument "pathetic" merely on the basis of the "You have plenty of space" interpretation is to see the tree but miss the forest. Sometimes, forests contain dead trees. But that doesn't mean that the forest itself is worthless. To take pg's suggestion as a simple rehashing of old arguments among Wikipedians is to drag him down to the level of myopic nitpicking that much of the debate surrounding deletionism seems to have become of late.

The suggestions I made in my original comment do lend themselves too easily to the "You have plenty of space" interpretation, and I'm sorry that I couldn't express myself more effectively. I also learned a lot from the replies I got. I can't edit that comment anymore, but if I could, I might remove all those specific arguments and just focus on the maldistribution of burdens of proof. Because that's the kind of philosophical principle that seems to be lacking in all the nitpicking about unverifiable predictions pro and con. If Wikipedians can't bring themselves to stop obsessing about internal politics and reconsider what their philosophical commitments imply, at least I hope they're humble enough to admit that an outsider might have more interesting things to say about matters of general principle. A community that is all too ready to discount outsider perspectives is a sure sign of an ailing community that is trying to insulate its existing power relations even more from rational scrutiny.