Either way you slice it...it is 1.) A minor "canon" defect (for those who believe in "canon".) 2.) An example on how "canon" is contradicted numberous times. It is documented on film and series. 3.) There is no proven theory that any one fan or for that fact producer can agree on so go with the last example given.
CAN YOU CATCH SECOND HAND STUPIDITY? OR SHOULD I BE CONCERNED ABOUT THE WATER HERE? - JEFF DUNHAM