Tagging has enormous labor costs associated with it and people don't want to do it. Creation, accuracy confirmation, maintenance/updates, removal. Your users d

Tagging has enormous labor costs associated with it and people don't want to do it. Creation, accuracy confirmation, maintenance/updates, removal. Your users do not want to do work, and they certainly do not want to do your work for you. They're tired, they want to relax, do not make them work.