Why is DSM Kabuto so weak?

[UltimateDeadpool]

So that means naruto can shut his visual senses to avoid genjustu?

And kabuto can use genjustu like sage song but in a snake-like manner? <---sound four dna doesn't count

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i think this is the closes thing to the truth

That was from Orochimaru's snake-like abilities that he assimilated, he possessed snake like features and abilities without Sage Mode. Sasuke even made a reference to it before Kabuto activated Sage Mode, saying that Kabuto has Orochimaru's abilities and was using snake sensing. Also, you know how else you can shut off your visual senses? Closing your eyes, lol.

Kabuto reported to possessing a perfect Sage Mode. We're explained that if you perfectly balance Sage Mode that you don't gain any unusual features except changed eyes. We're also explained that Sage Mode provides augmentation to physical abilities and jutsu power, provides virtually limitless chakra, and sensing; drawbacks being the start-up and time-limit.
Unless any differences are explained to us, this is how all Sage Modes work. Just like we assume all Sharingans work the same.

Kabuto was explicitly using Tayuya's Phantom Sound Chains, but added a snake-themed twist to it.

 

[VongolaX]

That was from Orochimaru's snake-like abilities that he assimilated, he possessed snake like features and abilities without Sage Mode. Sasuke even made a reference to it before Kabuto activated Sage Mode, saying that Kabuto has Orochimaru's abilities and was using snake sensing. Also, you know how else you can shut off your visual senses? Closing your eyes, lol.

Kabuto reported to possessing a perfect Sage Mode. We're explained that if you perfectly balance Sage Mode that you don't gain any unusual features except changed eyes. We're also explained that Sage Mode provides augmentation to physical abilities and jutsu power, provides virtually limitless chakra, and sensing; drawbacks being the start-up and time-limit.
Unless any differences are explained to us, this is how all Sage Modes work. Just like we assume all Sharingans work the same.

Kabuto was explicitly using Tayuya's Phantom Sound Chains, but added a snake-themed twist to it.

Good assumption

Now re-write all those assumptions with a manga scan inbetween.

The sound genjustu had no relation to sage mode whatsoever.

The sound four appeared on his stomache and the genjustu was displayed through her...

None of that snake theme twist bullsh*t

 

[xcoyote]

DSM Kabuto is far from ''weak'',arguably one of the most haxxed shinobis in the verse.