To be honest I haven't had a chance to have a drive over as the dealership is not on my doorstep.
It's definitely on the inside of the badge so it will be interesting to see what they say.
White worm always used to be covered, depending on whether your local dealer could be arsed to submit the claim and argue with VW. Lookers (formerly Benfield) are and were terrible for rejecting claims, but Pulman (my other local option) always successfully processed claims for white worm on wheels.
VW are definitely knocking more claims back on technicalities and supposed "external influences" (a new buzzword for the VW UK reps you interact with to ask why they refuse a claim your dealer confirms as genuine).
For a rear boot opener/badge, it would be difficult to claim that a stonechip has compromised lacquer, unless you drive everywhere in reverse!
Someone on the Polo forum has a split rubber gasket on his roof aerial (Jan 19 car). VW claim "external influences", suggesting that a bird may have pecked at it despite there being no peck or claw marks and his car is garaged when not in use.
Beyond reasonable doubt is a phrase VW seem unaware of.
Maybe this is VW reducing costs to claw back dieselgate money losses. Their online review rating is rock bottom at various trusted review sites.
If one dealership group fobs you off, try another before giving up.