Jevan R. H. Divinitive
This involves recreating the cards with is a taboo topic. The limited list allows for easy changes without recreating the cards and confusing players with different texts on cards. Also most banned cards are remade anyway such as Raigeki which has several remakes such as Lightning Vortex. By count I think Mirror Force has the most remade versions.
I don't think an update list is any more confusing than the limited list and rulings.
we all know our rulings for various cards, why not take it a step further?
my main complaint with the ban list is now whatever cards are banned are effectively useless.
now, they may be weakened (possibly to the point of being horrible), but at least they can be used.