Gamers at the Shanghai New International Expo Centre on July 31, 2021. Photo credit: Getty Images Young Chinese gamers took to social media to express their outrage at new rules that limit their gaming time to just three hours per week, while investors fretted about the long-term impact on the industry. Authorities argue the restrictions are necessary to stop growing gaming addiction and the People's Daily , the ruling Communist Party's official newspaper, said the government had to be "ruthless" as online games impair normal study life and the physical and mental health of teens. The curbs are part of…