Improved? A bit, but not by much.
We would have to pay extra, per head, for a van hire and crossing on the ferry. About a tenner a head, perhaps, so not much. If this chef is not A Friday there might be a wage involved? Plus accommodation, obvs.
But.....some folk - perhaps a dozen? - would have not been able to use the van as they might have gone for crossings on other routes or other days. Would the chef have had to get a van - full of bags he had not packed, officer - on to the ferry? And into France, Monsieur Gendarme.
Leave these logistics aside.
The big advantage would have been for those who own light bikes they did not use in Normandy because they needed to carry luggage, so had to spend the week on heavier bikes. This is a huge factor to consider. But it would not have affected more than a handful of people. Adrian and Charlie yes but who else? But they would have still needed to get luggage to London, and home from London afterwards. Not much good for someone in Manchester, obvs.
BUT the great advantage would be a feast each night. What's more, a COMMUNAL FEAST....
However, this means we would have missed the two CriCri evening meals. And we would surely have not have dined to such excess on Friday (did you see what Dellzeqq did on Friday with The Fridays?) at the special huge lunch stop. Nor at other lunch stops. So lunches might have been less of an event.
To sum up: a small improvement.
Idea: put someone on a train to Portsmouth where they hire a van, drive it empty to London, fill it with luggage and their own bike, drive to Portsmouth with the luggage, leave it at the port, and return the van to the Portsmouth van hire company and ride their bike to the ferry.
If someone had a suitable vehicle perhaps we could do the same and just pay for it to be parked in a secure place for the week.
I think luggage was a big problem for a small number of people and a small problem for a large number. For those who had a rack and the small Ortlieb panniers it was a minor issue. Rucksacks worked well.
As for improving on the food cooked at the chateau, it would need to be very good to do that. And some of those meals were knocked up with leftovers so cost a pittance. For Struggling Pensioners - and others - this was v good.