Well they are.
Emotional and sad childhood is directly proportional to strength as ninja
If you are an uchiha you have some kinda divine right to lord it over others.
The flatness of a surface or plane is measured in terms of units called "sakura's chest" with 0 sakura's chest (SC) being the flatest and 1000 being the exact opposite. Sceintists in the naruto world sometimes refer to the "1000" as being a "tsunade"
The emo in the naruto world of a person is measured in terms of a unit called "sasuke".
E is not equal to mc squared in the naruto world.
Uchiha Itachi, must always be said in a specific manner,
Uchiha .....(5 sec pause) Itachi.... with a gust of wind blowing and messing up everyone's hair for a duration of 10seconds. No further wind will follow. A customary question of "who is this ninja" must be asked despite the fact his shraingan eyes are clearly visible and he looks nothing like sasuke.
The usefulness of any intrument of person in the naruto world is measured in units called "tenten" with zero being useful.
Bad "things" in the naruto world must always happen to gaara
Kakashi covers his face because it makes sure the producers have an episode in hand to focus on this face again
If som1 has more ideas plz add them