Okay.
Ight, I really don't see what it's changing, so let's just see where this takes us.
I showed you the difference between Madara's Susano and Sasuke's. Start reading what I say or don't respond at all. I'm gonna requote myself, as it is clear as day that the ribs are what defend the user, thus without the ribs, the user is vulnerable to attacks;
"If there are no Ribs covering the user himself, Susano doesn't act like much of a defence, it becomes gaseous chakra form which can easily be bypassed. In the scan you showed, it is clearly the case. The entire fron is completely open and its gaseous chakra form is abundant. I know you will say "no", but then I'll show you this [
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]. Madara would close the ribs where the lava was closer to the middle, and leave them open where the lava was further away from the centre. Why? Well it's clear, he doesn't want the lava to touch his real body. Hence,
Sasuke's Susano was only beaten because the Sution bypassed the ribs which didn't engulf him." Susano wasn't busted, the ribs simply didn't defend Sasuke against an attack they weren't protecting him from.