A more accurate term to describe the art of "Salesmanship".
As selling
people things in our consumer culture is about wants, not needs; appealing to
ego and irrational desires, not demonstrating the
long-term value of owning the product.
Salesmanipulationship is about deceit, coercion, and putting someone into a pressure-cooker so they are unable to think critically on what they are about to do.