Banning spheres wasn't intended to hide the fact that spheres were involved. It was intended to make it easier for the, presumably less knowledgable, security e

Banning spheres wasn't intended to hide the fact that spheres were involved. It was intended to make it easier for the, presumably less knowledgable, security enforcement officers to not have to know "is this a secrete sphere or a normal sphere", by simply banning all spheres.