“Tencent began testing the use of facial recognition to check users’ age in Beijing and Shenzhen as of late 2018.”
Play a game after 10 p.m. in China and Tencent may demand your face. Refuse the scan and you are treated as a child and kicked offline. The checks run against police databases. Gaming addiction is the excuse, and a nation of adults learning to show their face on demand is the result.