While everyone is worrying about inconsequential tattoo ninjas, the true final villains plot from the shadows.
Recently, we were reminded that Konoha tracks the chakra of everyone in the village:
Who else has been focusing on working around barriers?
Here, Orochimaru is wiping Mitsuki's mind to prepare him for disabling Konoha's barriers. Orochimaru is not the dolt he appears to be in Boruto. He is deliberately planning for Mitsuki to be his "in" to Konoha when the time comes. Additionally, Mitsuki serves as intel on the hokage through his connection to Boruto.
Orochimaru ran this experiment hoping for a different result. As he reveals, he did not intend for Mitsuki to become "light." That is only the cover he is using. However, he ultimately cannot rely on his clones, as he needs to continually drug them when they deviate from his plan. That's where an old ally comes in.
Kabuto has seemingly unsupervised control over the Shin clones, as we never see Konoha bothering about them again. There is untapped Sharingan potential. At this point, Kabuto could have been traumatizing them into all sorts of new funky ocular prowess. We also see a parallel between Orochimaru, Kabuto, and Jigen:
Kabuto and Orochimaru are not raising clones out of the goodness of their hearts. They are raising an army to do what they have wanted all along:
Recently, we were reminded that Konoha tracks the chakra of everyone in the village:
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