Don't try to be a smart ass here , Madara , Obito & Oro already know very well that paths they have chosen , it wouldn't work on any of them .
Nagato is already dead he doesn't count & got soloed by a book .
Edit : And let me get this straight , so when Izanami activated none of what we saw actually happened then ?
People do not understand how Izanami works.
1. The jutsu has to have the prerequisite of being used on someone who is trying to be something they aren't.
Example: Uchiha pulling Izanagi.
Example: Kabuto trying to become everyone but himself.
2. The jutsu works by using the eye to capture a series of real time events. This means these actions ACTUALLY HAPPEN.
3. When the required and/or desired number of image memories are captured and recorded, the user loses his/her (lol why bother since Uchiha women got screwed over) eye, and Izanami activates.
The jutsu only began once Kabuto started replaying the same sequence of events. Up until that time, everything was actually happening.
In short, Izanami acts like a cam-recorder that records for a period of time, and then plays them back continuously disallowing the target to escape until he or she accepts his/her fate.
So every attack on Itachi counted. Since they were kill shots, the Izanami would not have succeeded. Itachi would be dead. Additionally, Edo Itachi had his tag in a position to where Kabuto would have erased it had Sasuke not saved him... Thus meaning right at that moment Kabuto won (in terms of one on one with Kabuto).
This also means moves such as the sound genjutsu, and any other technique used by Kabuto were real and did effect Itachi.