I was in a restaurant the other day and they were asking people to scan the QR code on entry. A few people said they didn't have the app, could they write down their details instead. The server sort of rolled his eyes and said "so you don't have a smart phone?" And when they said no he gave them a bit of paper and said "we won't be doing this much longer, you know, so you'll have to get the app".
As far as I know its a legal requirement to scan the QR code OR leave your details, but the restaurant have to offer you the choice of either because not everyone has the app. So was this guy just making it up?