I would say this is probably aimed at a few things. It’s a work around to the national fight to raise the minimum wage. These will be out of sight out of mind, so no one, besides the workers, will see as they are gradually automated to 100% by around 2027. And, the delivery is gradually fully automated with long distance drones and self driving vehicles. Also, be sure every other chain is working on the same stuff.
The ‘ghost kitchens’ are coming to the UK, US and Canada.