That mentality costs dollars. Why can't we do it more efficiently? Better? There's every reason why we can. Other countries do it. Ever read aviation law in Britain? Australia?
Instead of stating that a first class medical is valid until the sixth month after the month of issuance, one could simply say it's good for six months, then is good for second class privileges. Then give an example.
It really costs nothing to simplify; the ground work is all there. The personnel are there. The regulation is defined, interpreted, and established. A plain english rendering is far more appropriate than the antiquated system we have.
It's nothing compared to the tax code. We all know how incredibly complex that is.