Even discounting everything I've and everyone else has said about Sasuke gaining them, there is still the matter of them being HAX. This isn't a case where it's just a character's opinion that something/someone is invincible. Kishimoto states that in the article for Itachi's Susanoo:
"There is a reason this Susanoo boasts absolute perfection in both offence and defenceโ That reason is the Sacred Treasures he holds in both hands. In his right hand is the Totsuka Sword that will strike down any kind of enemy and the shield in his left hand is the Yata Mirror that will reflect all attacks. Whether they be material or spiritual, ninjutsu or physical attacks, they all lose their meaning before this god's potency."
[picture of the gourd as the Totsuka Sword appears from it]
" โ Sake flows from the gourd, taking on the shape of a sword and transforming into the Totsuka Sword! The souls absorbed by the sword are also sealed in there. "
"In his left and right hands are the unparalleled Sacred Treasures of miraculous efficacy."
The Totsuka Sword
[picture of Orochimaru being sealed into the Totsuka Sword]
โ "It is a type of Kusanagi Sword, equipped with the power to throw the person it stabs into a genjutsu world of drunken dreams, sealing them for all eternity. The sword itself carries a fลซinjutsu."
The Yata Mirror
โ "The incorporeal shield of the "Sacred Treasures". Endowed with all nature transformations, it can change its own characteristics depending on the characteristics of the attack it receives, making the technique ineffective. "
Even though the DBs are a bit allegorical, they aren't wrong. Even with Naruto's even greater OPness, is resorting to these ultimate HAXes going to piss more people off than would be happy?