Looking at Inter's season so far, it's so 'typically Rafa' that you can't really defend it.
He's had a few injuries, but they shouldn't matter to a squad that is easily the strongest in the league. However, it is that same time of the season that Benitez notoriously struggled with us. He begins/began to rotate more, rest players more and the points would continue to be dropped. Inter are dropping many, too, but it is all because Benitez believes a side should be in peak fitness at the back end of the season, as that's when the trophies are won. Simple argument is: you won't be in contention for trophies if you're out of them at the halfway point.
I still think Inter will win the league with Benitez in charge, change isn't always something sides adapt to, especially when the type of coaching is quite a drastic change. Mourinho is known to be a very psychological coach, whilst Benitez is quite the opposite, instead emphasising on tactics and coaching. Here is where a bit of psychology could be useful for Inter, it could make or break his job there (I personally think he'll stay), but he won't be winning any 'cups' unless he has his squad fit in its entirety.