Marketing is so powerful it can fool grown men, marketing like it or not is what keeps a product or service on the value side, if a product or service is properly marketed it would determine the life span and also the Value of the product.
For instance a product value could be 25% in value rating but the marketing strategy and Strength on a 80% value rating could elevate that product and that’s how it retains its high value.
That's how powerful marketing is, even if the product is a flop but the way it was marketed was in a great manner people will still buy and willing to take it whether they need it or not. Especially when the advertiser has a brand ambassador that's known, the fanatics of it will take it into consideration not because they need but because their idol have advertised it and is the representative of that product. With the social media works nowadays, this is how most of the companies does their marketing. It's easier and can have a lot of engagement based on what's the trending today.