Well, Murphy had visited greece's supermarkets before writing that. The best day is Friday, because all the employees are resting. But chances are they will refer you to another bank, because they will be too tired to serve you. Try the post office. Usually if you are lucky, the lines will not extend past the building door.
Politicians take really good care of the country.
They will squeeze out as much as they can from your pocket, until you finally decide to not reelect them and go for the opposition. Religion is strong and growing in Greece. So strong in fact, that it has become a de facto to see archbishops have their own male lovers on their side when they make official visits. The best places for group homosexual orgies are monasteries. Particularly those with women.