The problem with a lot of marketing advice is that the examples they use are not exactly typical. It’s hard for businesses, particularly smaller businesses, to relate to the bold innovations of companies like Apple or Tesla. Not everyone is an American Apparel.
You will be placed in a pen with several models and observed on how you interact with them. Remember, the only reason you’re here in the first place is that you’re not quite attractive enough to be a model. That’s okay, but you should be able to hold your own around them.