Also, loyalty cards cost money to make, so they discurrage the use of those as well. You can use handscanners from the store itself, but then you’ll have to scan the virtual card in the app to be able to start shopping, have a cumbersome scanner and no total for your groceries displayed. WHen you still need the app, why not scan with it.
The sticker seems to be for personel after checkout to see that the crate of beer has been bought and paid for (with the receipt, although legal, not being good enough.
Even though there is a huge distrust, still those self scan isn’t been dismantled and replaced by regular checkouts, nah, that would be to logical and you’d have to admit you made a mistake.