Earlier quoted context omitted.
What do you think are the chances that the tanks roll in, all protestors are shot or arrested, marshal law is declared for a few months, and eventually Hong Kong becomes just another city in China without its own special governance or laws?
It's more likely that the protest causes huge damage to HK economy, and HK people start to get tired of it. At some point people may decide to take economic incentives from Beijing and become another city in China with some superficial autonomy status.
https://www.scmp.com/news/hong-kong/politics/article/3014695...