The Italian central bank would then bear the heaviest losses. I can’t comment on hypothetical scenarios. The euro area Heads of State or Government want to launch a reform of Monetary Union 1/4  BIS central bankers' speeches  in June. As you said yourself, the economy is growing, the crisis is over. Why the need for yet more reforms?
Indeed, the euro area expansion is strong and broad based. But as Christine Lagarde, the head of the International Monetary Fund, often says [quoting JF Kennedy]: the time to repair the roof is when the sun is shining.