I was told the reason that the atmosphere in the last cup final was so bad was cuz everyone was so tired of drinking the night before. So surely they'll be too tired to drink until 8 o'clock and it'll be fine
Tbh there is no reason each seat can't have a tube and an app/order screen.
It's then delivered via this method. Unfortunately not for beer cos of the rules. But should still cut down.
They do it in the USA so no reason why not here.