Bible is a book for belivers. God speak to His people just as great Sheperd speaks to His Flock only.
It is highly improvident to apply the principle directly to society without applying to the church first. The church should be testamony for the Christ so, organically, it will set good example for the society. This is how the reformed church benefited the North Europe in last 500 years so that they have most matured democratic systems.
How could teh churches in HK, which hotbeds, sponsors and hiding the violence, taking about Righteousness, Glory and Holiness?