Do you agree or disagree with the following statement: People often buy products not because they really need them but because other people have them. Use specific reasons and examples to support your answer.
People, buy products, need, other people have
补：The reason why people buy products should be discussed case by case.
反：For goods like groceries, we buy them because they are essential.
正：For luxurious goods, people might purchase them because of others.