And the real question is,

And the real question is, whether it works or not, people who believe it will either benefit from the effects or the placebo of thinking it does.  So if it’s improving those people’s lives, what does it matter?  If you don’t subscribe to the idea of Vatsu or Feng Shui, then you don’t have to work with it.  I don’t, personally, but if someone said they wanted to make a building according to Feng Shui and said they wanted me to work with a "Feng Shui advisor" or something, it wouldn’t bother me.