Obito negs. Madara wasn't taking the Gokage seriously and his Perfect Susanoo trumped everything that was shown in the fight. Not only this, but Obito also has intangibility to switch two.
- Ei and Onoki's collaborative attacks aren't doing anything to Susanoo higher than V2-V4. Even then, Obito has intangibility to pass through it.
- Kamui is definitely going to be used to counter Onoki's enhanced Dust Style. Since he was able to save Sasuke before it's activation, there's no reason he isn't fast enough to escape or counter.
- PS simply sweeps them clean.
- Or he throws multiple Kamui Shurikens that only Ei has a chance of dodging. Even then, he will die as well giving he can not breach through PS.