via: danwei
in chinese, "bu ke kang ju" implies natural powers or human activities that individuals can not predict and resist, like earthquakes, lightening, hurricanes, wars, etc.
the ycblog host service actually protested in the "massage milk" language style and implied that behaviors of censors are like natural disasters, unpredictable and unresistable.
update:
it's a hoax, all the intelligent people and not so intelligent mainstream media are fooled by Mr Wang