Currently in the BA Lounge at GVA awaiting my IB flight back to MAD (funny enough when I was here last February 2023, they turned me away saying IB had its own contract lounge – no issues today).

Some bloke and his son spotted taking 3 cans of Coke from the fridge to go. One of the local staff who'd just walked out of the kitchen started very loudly making remarks, in English, about (paraphrased) "BA must be so cheap on board if people are taking these things", not in a particularly nice manner, before a sarcastic "enjoy your flight". I think it was rather lost on the passengers involved, who appeared to not be British.