Toward the end, there's a snippet about how a smart speaker might listen to your conversations and raise pricing when it knows you're in need of a particular item. In such a world, one might also be able to trick the system into lowering prices by purposely having conversations in front of the device, indicating that you don't like a product very much or are on the fence about purchasing it.

Regardless, I'll never own a smart speaker that's always listening.

But I did think the piece was missing context about how dynamic pricing means that people who are low-propensity buyers of a particular product would get a better deal on it. That is, they'd get a better deal than if everyone had to pay the same price. Dynamic pricing goes both ways.