You're right that the stores probably play a role here. However in a typical supermarket bottle are not separated by origin: it would made little sense as most

You're right that the stores probably play a role here. However in a typical supermarket bottle are not separated by origin: it would made little sense as most the wine comes from the country anyway. Conning customers with fake logos (for organic food for example) and misleading packaging is a very common thing. The law forbid to use some regional names[1] but creating some fake "Château Mytho" brand with the origin of the product writing in yellow 4pt font size is still totally legal. Some of this stuff is even legally organized. For example the "organic food" label of the European Union allows up to 5% non-organic in the product. The domestic label was then changed to match the European one, now allowing some "accidental" GMO. [1] https://en.wikipedia.org/wiki/Appellation_d%27origine_contr%C3%B4l%C3%A9e https://en.wikipedia.org/wiki/Appellation_d%27origine_contr%...