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

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.