Society today tells us that automatic pencils are a lot better than manual ones which you have to sharpen every 5 seconds. Maybe this is true. However, there are some benefits from using an oldfashioned traditional pencil which you cannot get with an automatic one.
To be honest, it is quite convenient to use an automatic pencil with an easy press on the button. Meanwhile a manual pencil doesn’t enjoy any plus point. But it is sort of strange that manual pencils should be used in standardized tests today. Chances are that the manual pencil makes the line of grey look nicer.