My local VW dealership (Pulman Durham) are the same. No interest in Motability/disabled customers, been there four times over the years trying to get a car and each time ended up going to a different dealership.
Same group have a Skoda dealership a few miles awayand they are excellent.
Please excuse spelling/typos. Apart from being a clot it turns out I had one on my cerebellum that's now causing various problems!