First of all, /facepalm
Now to reply to your comment. While that would be very fine and dandy, some players like to keep their characters the way they were before a change. (Barbarian crit rage II is a fine example of this. Even though there aren't many out there, some people still have this enhancement as it is in the flavor of their build.
Plus then turbine wouldn't make as much money. (For those of you that aren't paying attention, this thread was made before the launch of the ddo store 2 years ago)