There is plenty of stock to sell - it's just not selling and to shift the blame on shipping and production is nothing more than a corporate cope. You can get a brand new pre-brand Jag cheaper than ever now but they aren't selling and people can bury their heads in the sand about the rebrand being not to blame, but that is clearly an aggravating factor. Jaguar was alienating its customers and brand identity long before the advert was published anyway, when a full compliment of stock was being manufactured and shipped, so it's clear this is a long-term problem and the rebranding is a culmination of everything in the last 18 months.
At my dealership, you can get as 74 plate XFR for £24,995 brand new and it's not selling. Two years ago, the same vehicle was £36,000 and people would bite your hand off at that price. So despite a surplus of stock and a 25% markdown, there doesn't seem to be much demand and this is up and down the country. I very much doubt we'll see a 10,000% influx when the new range is available and I doubt that's what customers are waiting for.