> "it was probably a mistake treating AZ as a reliable partner and not someone who'll try find any excuses to skip on their obligations." Given they had prior

> "it was probably a mistake treating AZ as a reliable partner and not someone who'll try find any excuses to skip on their obligations." Given they had prior obligations to the UK, I'd say they've been a very reliable partner - to the extent of risking annoying a major market by saying no to the EU.