The bill is nothing more than a PR exercise to demonised China, and for home consumption. It does nothing to the situation.
I mean, come on, if USA is seriously concerned about democracy and human rights, then it should start with their biggest customers and allies! They area shining example of democracy and a beacon for human rights! Right?
The bill is not just for home consumption though domestically it is a significant step towards institutionalizing anti-China behavior for the long term. The primary immediate purpose is to lend legitimacy to the rioters and their co-conspirators and to further inflame tensions.