There's no scientific basis for it but if you're going to look at the perspective of others, they believe that there's also a relation to science. Well, that's what they're believing.
But to me, it's not really related to science and all about the belief that has been passed on from generation to generation and until now, it's still keeps on living.
It may also be like what you say because we have seen that Fengshui still exists today even though some people only use it. After all, they still believe in the calculations of Fengshui. We can't change what they believe because it's their right, and maybe letting them stick with it according to their beliefs is the right thing to do. Maybe Fengshui will remain forever because the belief will still be passed down from generation to generation.
Many still believe in feng shui and that won't change. If they've grown up with that belief and think that it's very applicable to their lives, nothing will change.
As they live continually, that will be the belief that they've got because it's a matter of how they've seen the effects of it. They won't mind what the others are going to say because it's so effective for them and they've seen the belief of its good result.
It is a spiritual belief there's a lot of introduction to us on how to get and attract luck and one of these in the other's culture is the Fengshui and this thing is always done by the people who make a try at the first time and experience the luck by that they now see this as part of their routine getting positive energy and also because of the possible luck it brings in the business other people do the same way, of course, people want to have a luck at the same time, if it works good if not still okay nothing lose.