Warrior guide is wrong.

[Hans Johansson]

Do not deleate the item from ur bag for the Whirlwind quest. It removes the quest from the questlog in Classic WoW

[Nathan Ponseti]

Also, for the Horde side I noticed when you are instructed to train while in Thunder Bluff it has the trainer from Orgrimmar listed and his coords. So you are told to go to Elder Rise instead of Hunter Rise.