Here's a quick definition of the actual purpose of advertising: https://www.entrepreneur.com/encyclopedia/advertising https://www.entrepreneur.com/encyclopedia/

Here's a quick definition of the actual purpose of advertising: https://www.entrepreneur.com/encyclopedia/advertising https://www.entrepreneur.com/encyclopedia/advertising Based on the way you describe business and what you think is objectively the best way to purchase products, my hunch is that you have little experience working in a company or making products you need to sell to others. I mean this in a most genuine way: if you have any aspiration of managing a company or even building your own, it will greatly help you to learn more about why marketing and advertising are important to business. You simply won't succeed without them.