I would judge it by the amount of poster coming forward to support change.
By my count, it's about 4/4. Hardly sufficient numbers on either side for a sensible archaeologist to form a reasoned opinion, eh? ;)
Stand in Avebury on a busy day and ask people actually there if they'd like to see the East side restored like the West was before the second world war and i know the answer you'd get back 9 out of 10 times - Yes.