China's theory is neither good nor bad.
The theory of ferocity means that this place is poor and some bad things have happened, which can also be explained as ferocity.
Looking at feng shui depends on the compass, and it also needs nine palaces and eight diagrams to determine the bad luck position every year. Then through some means, these positions are restrained and resolved, and this ominous position changes year by year. The average person can't get it, even the so-called master. Fortune tellers are all in the folk, either free or expensive.