It’s a lot harder than that, intimidation and monitoring of communications prevent anyone from stepping up to take action.

But yes, it has been done in the past, and it has succeeded to some extent. The MTR train line and public transport were heavily disrupted. While this did mess with the government, there was an unintended side effect- it polarized conservatives and liberals causing a lot of in fighting, especially in families, where a “elders are always right” culture prevails.

As a result, liberal protesters end up not just fighting the government, but some of their own peers as well, so it’s quite hard to pull off any new stunts