Not all advertising is bad. For small companies and lesser-known products, advertising serves a purpose by exposing us to things we wouldn't otherwise be aware

Not all advertising is bad. For small companies and lesser-known products, advertising serves a purpose by exposing us to things we wouldn't otherwise be aware of. It allows valuable products to gain customers faster than through word-of-mouth, which is usually very inefficient and slow unless your "viral factor" is extremely high. Some advertising (e.g. Coke, McDonald's) is an attempt to remind us and make us feel good about a product that we already know about, and that's the kind of advertising that "shits in your head" and doesn't seem to provide any value to the world. But there's other stuff that gets advertised, and we shouldn't vilify all advertising just because some of it is bad.