At present, with the development of digital technology, digital reading is becoming more and more popular. More people are willing to use computers, mobile phones, and various readers to read e-books. Moreover, e-books have a large storage capacity, convenient retrieval, convenient preservation, and cost Advantages such as low cost. Therefore, researcher Wang believes that traditional paper books will eventually be replaced by electronic books. Which of the following, if true, would weaken Researcher Wang's point of view? ['Although there are many conveniences in reading e-books, it is easier to damage vision than reading paper books.', 'Some readers are used to reading paper books and are not willing to read digitally.', 'As soon as many best-selling books are published, they will be sold out shortly. It can be seen that there is still a large market for paper books.', 'Generally, the corresponding electronic books are allowed to circulate only under the premise that paper books are published.']