User blog comment:G0LD3NF1RE/Dawnguard encounters issues with Playstation/@comment-67.187.183.112-20120912002828/@comment-3492791-20120914020109

Appearances alone are nothing, the mistake of an outsider. While two things might function near exactly the same, the can be in a technical sense quite different. By your logic, if Unique greatsword X had a bug that made it's enchantment not work, than all enchantments on all greatswords would be bugged not to work.