Why don't some hotels in Shanghai have hot water bottles and refrigerators?

Some hotels in Shanghai don't have hot water bottles and refrigerators, which is the low configuration of hotels. It depends on the star rating of the hotel. Chain hotels, such as Holiday Inn, will definitely have hot water bottles and hair dryers. In China, as long as you call a hotel, there will be hot water bottles, slightly better hotels will be equipped with free mineral water and tea, and high-end hotels will be equipped with coffee, kung fu tea sets and so on.