The courts seem to place little to no value on privacy.

Within simple interaction I agree, but disagree when it comes to aggregate data. Maybe I tell Amazon some info, Wayfair different info, and Vitacost something else. A 3rd party can aggregate that into a new superset that I didn't give anyone explicitly. This goes well-beyond in-store surveillance and expands potentially and in-reality to full-time surveillance: when your smart thermostat senses you are home, when your car is moving, etc.