<p>There's no point in having half the powers in Naruto in real life. Most of them are just for lethal purposes, which can only be used for violence. Shadow Clones, Byakugan, Sharingan, FTG, Transformation technique, and having mastery with the five elements and other KG elements like Wood Release can be quite useful. All of these are what I believe beneficial to oneself without actually causing to anyone.
</p><p>Having Rinnegen and all it's wide scale lethal techniques and other jutsus like that is not just dangerous but useless too, since all you need to stop or control someone would be Genjutsu(As what Madara/Obito planned to do), thus violence wouldn't even be necessary lol.
</p>