Almost certainly that as well - when I hopped across the street I wondered if there was complicity. It was just all too convenient. Had the machine not featured

Almost certainly that as well - when I hopped across the street I wondered if there was complicity. It was just all too convenient. Had the machine not featured a contactless card reader, so possibly been a skimming scam, I would have raised hell, very loudly, in French and English, in the middle of the (now busier) restaurant. The cost I shrugged off, the conversion was from CHF to EUR so it still cost half what an equivalent meal would have cost back home.