The correct thing to do if you got that email would be to try to verify the information that it presents. Is Geek Squad Academy a real thing? How much does their antivirus cost?
Which is exactly what the article says to do, and what you should have done before answering the question. Of course the getting the questions right doesn’t matter, but the question and explanation are an excellent example of what they’re trying to teach.
Also, the grammar was just a little bit funky in that email. Could just be that the geek squad email writer has funky grammar, but it’s definitely a red flag that should make you want to double check the info in the email.