Believe it or not, some stores sympathise with you. They might actually be run by people like you, people who read your story. They still want to know how you proceed round the store, because that helps them optimise shelf layout, identify hard-to-find items, and so on. So yes, they might use the standard in-store CCTV to observe your journeys, and when they figure that you and people like you always have difficulty…
I find it interesting that a lot of content producers have feel entitled to users' participation in analytics at all. Sure, it may be frustrating when a user blocks tracking tools (especially self hosted ones) but that's the their choice. We got by for decades without analysing user habits (even in a local only context, without correlation with third party data). There are so few examples of cases where analysing use…
Oh Mary just gave birth, Henry is currently sick, Walter likes his coffee a little stronger, James a little weaker (something with his stomach). Danielle drinks only tee, has two kids and the marriage is not really happy. And so on. A lot bordered on gossip, a lot was very valid and relevant information. People talked.
So it was totally normal in a smallish community for the store owners to have an extensive profile on every customer. All in their head for sure, but non the less. And guess what - everybody benefitted. The clerk could recommend based on what he knew. People would be directed to relevant produce.
By the way this works even today. If I buy at my normal place I get personalized recommendations for cheese from the lady behind the counter. We talk, she knows a little bit about my tastes and I get to try new things.