It's been over five and a half years, and multiple complaints, but Amazon still insists on showing me Amazon Prime advertisements. I've told them directly that I am not a student (the funniest response was "the student flag on your account is on", of course there is no such flag, why the text chat person felt like lying, I don't know), so they have the data that I am not a student. Apparently they don't really want all the data; they just don't care.
Here is the latest screen grab from this week: