The reason is because, literally, you are trying to unravel what has become a bowl of spaghetti. Seriously, there is no quick way to do what you are asking. Given the three requirements (easily, quickly, and safely), the old adage comes to mind: You can have any two you want, and two out of three ain't bad! Fred wonders how he can easily, quickly, and safely reset and make all these styles consistent. Fred has a 60-page legal document that has styles from all over the map (such as a dozen versions of Heading 2, numerous tab distances even for the same level of text, etc.).
