> As far as he is concerned, the geolocation data for the place name
> is part of that name, not part of a place which exists
> independently of references to it in this and other documents.

Sorry, I can't make any sense of this. Are you suggesting that in the
phrase
  Oxford (51° 45', 1° 15')
the parenthetical is part of the name of your home city?

If so, it's like saying because people often want to list birth and
death dates in parens after someone's name that they are part of the
name. They may be useful for disambiguation, but they are not part of
the name.