Question

What is the focus of the bandwagon advertising style? to try to persuade someone to do something based on the fact that “everyone’s doing it” to try to persuade someone to avoid doing something based on the fact that “it’s unhealthy” to try to persuade someone to do something based on the fact that “statistics show it’s good” to try to persuade someone to avoid doing something based on the fact that “it causes cancer”

Answer 1

The focus of the bandwagon advertising style is to try to persuade someone to do something based on the fact that "everyone's doing it."
For example, today's girls all have eyebrows "on fleek" because everybody's doing it. It's a banal example, but it paints the picture clearly.

Answer 2

Because everyone is doing it