Such a strong and credible agreement with Greece is needed, not only in the interest of Greece, but also of the euro area as a whole. While all actors will now need to go the extra mile, the ball lies squarely in the camp of the Greek government to take the necessary steps.
Their role is important as a catalyst for both change and improvement. Nevertheless, they should not provide retail payment related services themselves. If that is done as a legacy from the past, it may be wise to wind such activity down. A public authority should not engage in competitive activities, and definitely not subsidize its own service production, which would crowd out private enterprise.