At present, people are more and more enthusiastic about tourism. Many tourists will travel to some famous cities. There is often a phenomenon: on the way to the scenic spots, the guide lady always stops in front of several craft processing factories and advises everyone to go to the factory Visit here, saying that the product is cheap, and it doesn't matter if you buy or not. For this reason, some tourists often complain, but this behavior continues, even better than one year. which is the least likely cause of the above phenomenon? ['Although some people are dissatisfied, many tourists are willing, and their smiles when they come out of the factory are evidence.', "Most tourists are financially wealthy, they just want to save time and don't care about the price of goods.", 'An important task for some tourists is to shop. If they go home empty-handed, the family will be unhappy.', 'Manufacturers sell products directly, the quality is guaranteed, the price is indeed cheap, why not.']