More tips for protecting your privacy
The representative was insistent upon factually incorrect information.
The representative was poorly trained with regard to the information with which they were supposedly dealing.
The representative was dismissive of a potential customer’s perfectly valid privacy concerns.
The representative exhibited poor written communication skills.
The representative presented their assumptions regarding Comcast’s security infrastructure as fact (or, at best, was paraphrasing and unwittingly glossed over the details).
Seeing these behaviors, I would not trust this person with my personal information.