adma
Superstar
It could be, but doubtful. I think it will look as ridiculous and stapled on in the future as it does now. History might look more kindly on the facade of the Bay Adelaide tower, tho.
An even better case in point would be all the old flotsam at BCE, which despite its being facadist-as-well, has never really been looked unkindly upon, except by the more vociferous preservationists.
Besides, UrbanFervour's type of argument can just as well be used to alibi new construction as well as that which retains the old--to the point where who needs architectural criticism, urban design panels, etc, because anything can "come to be seen as a gem for all we know". Slippery slope, you see...