Why is there no Feng Shui major in the university?

Why is there no Feng Shui major in the university? -there is no major in geomantic omen in the university, but there are courses in geomantic omen. Architectural specialty includes detection, design, construction, decoration and maintenance, which is a huge and complicated specialty. Feng shui is only a small part of architectural investigation. Setting up a feng shui major may be too small to look down on the scope of knowledge covered by universities now.