Nothing to do with the industry - it's marketing, it's designed to make people like the company/product more, and the very nature of marketing and people means that if you do a bad job it can have the opposite effect.
This is just how marketing to humans is, and anyone creating a promo video for any type of product knows that the goal is to increase positive sentiment and the risk to try to avoid is increasing negative feelings instead.
This is just how marketing to humans is, and anyone creating a promo video for any type of product knows that the goal is to increase positive sentiment and the risk to try to avoid is increasing negative feelings instead.