Then Declan Rice put a 11/10 performance and destroy them all. But really though the team, while it looks amazing on paper, it lacks work rate and we dont even know if it'll be cohesive. It surely works on FIFA. But actual players have ego, this team especially need a strong manager since their star additions only add more egos to the team, I dont think Poch has that.
I have read about the same stuffs about PSG winning CL and destroying teams left and right after they signed Mbappe + Neymar. Not to mention Veratti was at his peak, Cavani was still there, Thiago Silva was still there, then they added Alves. It didnt happen, they were only the kings of Ligue 1. The team back then was almost as impressive as the current one, with fresher legs. But alas it was only trully invicible in video games. On top of that they didnt even win Ligue 1 last season. So much for Mbappe and Neymar. Those two should be enough if football is only about firepower, its not.
I could give you another example. Remember Barca's fantastic four? what did they achieve?