1. Don't need to.
2. Makes no sense as Naruto can't replicate that feat.
JJ Hagoromo>>Hagoromo on his deathbed.
Naruto and Sasuke got power from the former. Half each. Add all the Nature Energy on Earth to Naruto's 50% and the 9 Bijuu combined (Basically the Juubi) to Sasuke's 50% and you come to the obvious conclusion that Naruto and Sasuke are on Rikudo's level. That simple.
Says ''don't need to'' which you can't regardless, then says ''they're on his level''? Logic.