2008/12/4 Tim Landscheidt tim@tim-landscheidt.de:
Add to that the maintenance costs because you would want to ensure that if someone who is not aware of the concept of atomic categories adds a [[Category:Manhattan]] to something he adds [[Category:New York]], [[Category:East Coast of the United States]], [[Category:United States]] and the other gigazillion umbrella categories as well so searches for a building in a country bordering a water body will still show results.
Which is why we have zillions of obsessive nerdy humans writing the encyclopedia. Tags are fine, there's nothing wrong intrinsically with hundreds of tags where appropriate and useful. I suppose presentation in Monobook will be interesting ...
- d.