Hi Jared... you ask "Doesn't the suggestion that people can't resist marketing assume lack of free will and moral agency? How does the fact that their decision was influenced by external factors change the fact that they made a decision?"
I address this here:
https://steemit.com/philosophy/@freewill/freewill-on-free-will-and-accountability-a-demand-for-more-and-compassion-from-kevinwong