Why would you vary a contract that as been a disaster in the first place?
https://www.thetimes.co.uk/article/submarine-deal-france-recalls-ambassadors-in-anger-over-ditched-contract-cmncwvfp6"Many French officials conceded that France’s failings contributed to the loss of the contract. Commentators noted that in January Les Echos, the financial daily, reported that the deal was in “turbulent waters”. Le Figaro quoted an official as saying: “The Australian government had lost confidence in the ability . . . to deliver the submarines on time. We haven’t done the job properly.”"
