Why are full height shutters the most popular style?

There are many types of plantation shutters, such as bay Window, cafe shutter ，tier-on-tier shutter.why are full-height shutter the most popular?
Because this is the most common and most widely used, applicable to every window, can be customized according to the customer's size, can also choose to add the middle rail, make it more beautiful, can also be made according to the customer's needs of various colors.