I get that they are doing half decent for now, and they have a good amount of players coming back, but that doesn't suddenly put them on the top of the teams list. I am guessing it is going to be a bit of a trouble in the long run, when they start to face other big name clubs.
Of course it still has to go through a process if they want to be said to be stronger now. They are only better, not stronger, the return of some players will certainly require adaptation time to return to their best performance.
Juventus are one of the big teams now, so it's only natural that they can put in something impressive in this Europa League. Moreover, their current opponent is a team that once again I say they are not ready to be here.
Their real opponent is in the next round. Allegri must see that this is the first step for Juventus to wade through tougher competition in a narrower round.