There is no end really, and absent a working political process to absorb and debate demands, street protests can always turn toward the extreme. That's why it's dangerous to force people to go this route.
Unfortunately there will be a red line somewhere, and for China it is probably one or two steps away on that list. Remember, Tian'anmen Square also spiraled out of control from very mild beginnings.
These days CCP's action is getting less free.
With Vietnam, Thailand, Cambodia and friends around the town it's no longer the cheapest labor to the point of being able to ignore the world's value.
There's a price to be leveraged for every move.
* Withdraw the bill, not a temporary suspension. * Withdraw the characterisation of last Wed protest as a riot.