I got this off the website (fairly well hidden). I think the original idea was that they weren't an off licence, so they could open during normal working hours and as part of that you could only buy a case as a minimum purchase
Majestic Wine Warehouses is the UK's biggest and best retailer specialising in sales of wine by the mixed case, with 144 stores throughout the UK.
As Majestic sells wines and spirits with a minimum purchase of 12 bottles, any mix, we can offer an extensive range of superb wines in large quantities, giving our customers real choice and value.
We recognise that this might not appeal to everyone, but by doing so we feel we can offer our customers a higher level of service