Many outsiders believe that Shanghainese worship foreigners, lack cultural identity with residents in other parts of China, and belittle everything that is not from Shanghai. Old Shanghainese are gradually being squeezed out by new immigrants. I still maintain my aloofness and so on. Therefore, Shanghainese and outsiders often attack each other on the Internet and even in the real world.
There are huge differences in culture, value orientation and ideology. Due to these differences, Shanghai people are incompatible with many people in other parts of China, and various conflicts will occur. With the passage of time and the deepening of reform and opening up, people in other parts of China are gradually emancipating their minds (of course this will take a long time), and this contradiction will gradually disappear.
Extended information:
Shanghai "locals"
The modern "locals" in the eyes of Shanghainese refer to those who existed before Shanghai opened as a port in 1843 The aborigines who settled in the old city of Nanshi (formerly Nanshi District of Shanghai), which was the core area of ??Shanghai at that time.
Shanghai “suburbanites”
Rural and urban people who live in the suburbs of Shanghai and have Shanghai household registration are called “suburbanites”. The connotation of "New Shanghainese": mainly refers to the people who settled in Shanghai after the reform and opening up. New Shanghainese are people who immigrated from other areas of China except Shanghai.
1. After the reform and opening up, the first generation of people from abroad or other provinces and cities in China came to work in Shanghai and obtained Shanghai household registration.
2. After the reform and opening up, people from other provinces and cities who come to Shanghai without Shanghai registered permanent residence and have a stable working life and social circle in Shanghai for a long time.
Since Shanghai opened as a port in 1843, immigrants from China and all over the world have flocked into Shanghai. The old immigrants are mainly composed of people from Jiangsu and Zhejiang provinces; while today’s “new Shanghainese” come from Within the four seas.
Baidu Encyclopedia - Shanghainese