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Are Supermarkets Blackmailing Shoppers Into Giving Up Their Privacy? Episode 760

Niall Boylan | June 8, 2026
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    Are Supermarkets Blackmailing Shoppers Into Giving Up Their Privacy? Episode 760
    Niall Boylan

On today’s podcast, Niall is joined by Olga Cronin, Senior Policy Officer with the Irish Council for Civil Liberties, to discuss whether loyalty cards are one of the biggest consumer cons of modern times.

Supermarkets tell us that loyalty schemes are designed to reward regular customers with exclusive discounts and special offers. But is that really what’s happening? Or are shoppers being pressured into handing over their personal data in exchange for prices that should be available to everyone?

Take a walk through any major supermarket and you’ll quickly notice two prices on many products. One for loyalty card holders and another, often much higher, price for everyone else. Critics argue that this isn’t a genuine discount at all. Instead, they say consumers are effectively being charged extra if they choose not to share their shopping habits, personal information and purchasing behaviour with large corporations.

Every time you swipe a loyalty card, retailers can build a detailed profile of your life, what you eat, when you shop, whether you have children, if you’re dieting, how much alcohol you buy and even when your spending habits change. Civil liberties groups warn that many consumers have little understanding of just how much information is being collected and analysed behind the scenes.

Supporters of loyalty schemes argue that nobody is being forced to sign up and that customers are free to take advantage of discounts if they wish. They say the system is voluntary and offers real savings at a time when families are struggling with the cost of living.

But is consent really voluntary when refusing to participate means paying significantly more at the checkout? Should retailers be allowed to offer different prices based on a customer’s willingness to share personal data? And have loyalty cards become less about rewarding customers and more about harvesting valuable information?

Niall and Olga Cronin debate whether loyalty schemes are a harmless way to save money or a privacy nightmare hiding in plain sight.

Are loyalty cards rewarding loyalty, or are they simply putting a price on your privacy?




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