Compare his feats now with his feats as a Jin. His Jinchuriki feats are far superior, hes always controlling more sand and a faster pace. Its also
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Enton is the manipulation of already casted Amaterasu. Look at any feats for Enton and it should be obvious. Not only that, its comonly accepted that its slower (im not trying to give you the run around on this, its just that im short on time at the moment. Replying to KG took up most of my time.)
I dont know where in the world you came up with him being weaker for being a Jinchuriki.
Most sites use the same translation. So when the scanlators mess up, thats usually really bad for us when it comes to something based off a statement.
Though I can't give you any concrete proof without finding the correct one so I wont ask you to believe me based on just word of mouth. Though does it really matter? Gaara's sand should be fast enough to block Enton even without this scan.
Itachi Yasaka arn't Madara's. Plus the fact Gaara's Sand is much more durable when he was a Jin.
Tsukiyomi and Totsuka are both improbable. his fighting style as a Jin was AoE at its best.