User blog comment:DaNASCAT/Technical Update: November 8, 2011/@comment-168424-20111111223923/@comment-1393830-20111115013237

Article comments replace talk pages. If they did not make it compatible with monobook, monobook users would not be able to discuss pages. Just like how the Message Wall works in Monobook because Monobook users need to be able to communicate with oasis users