Yes, dystopian. And yes, it includes food retailers too. (here for me is USA btw).

For more reading, do a web search for terms like:

• retail dynamic pricing
• surveillance pricing
• retail sentiment analysis
• electronic price tags

Here's a discussion about Kroger's market doing it. There are many others. A few US states are moving to ban the practice, and Maryland has passed a law banning it, though what I've read suggests that it bans the practice, not the in-store surveillance that enables it. Both parties controlling US politics want ubiquitous mass surveillance, and are happy to let surveillance capitalism work around constitutional protections.

Long story short... they know who you are when you walk in, and they catalog and analyze your in-store behaviors, interactions, and reactions, and they increasingly understand and exploit your willingness to pay for a particular item.

You could argue that it's worse than online shopping. It's more akin to shopping online with your webcam on and the online shop recording everything.