The story has been embroidered by the press apparently - gold dipped not gold and worth thousands not millions. Still. Press conference Friday.
There's supposed to be Treasure under lots of ancient sites as you know. VBB would no doubt rap them all if not stopped.
"I suppose we have to wonder whether detector-wielders might prefer to look in places where Rumours of Treasure exist already though."
Yeah, I guess it's human nature to maximise your chances by research so if it has archaeology or Treasure Rumours it's going to get done. Using TMA is part of the Research - in fact I picked up your quote not from here but from a detecting forum where it had been pasted. I guess that makes you an accessory. ;)