HOW BAD MARKETING RUINING SALES?

Some involved in marketing, that business activity consider separate from the others, think that it is in itself, that is the purpose of business .... This raises the question of how bad sales and marketing ruining the premise breaks all successful business, because their action does not lead to sales, and thus to achieve the goal - EARN NECESSARY MONEY. Poor marketing ruining sale: - by promoting products or services that are not in stores, - by what is written in small print that fence supplier services / products not responsible for the irregularities, but as if the buyer is interested, will go to a store nearby, - by what is the same fine print reads that product images from the actual state of things but what does it concern a customer who wants to 6 cups, glasses, etc. but inside there are 5, and where does the idea for 5! - by the promotional material says that the amount of inventory, etc. until the end.but who cares, and what is promoting something which no or little, - by what is required by law to communications between users and companies lead by certain members of the law, but it's not interested, These are just some examples of bad marketing, which destroys the sale. What other examples?