True that. There is also a clause the frees AZ from any delivery delays caused by the request of additional doses above the agreed deliveries if these orders had a negative impact on availability. Or something a long these lines. And the EU happened to order more, which is the reason why AZ did rework on the factory, if memory serves well.
There is definetly a couple of case studies for a lot of discipline in that. Besides virology, epidemiology or medcine.