The 433 is a much better shape and we look much more comfortable.
I see it more as a 4141. Fred is really high up at times, and Bruno has licence to pop up anywhere. Plus the wide attackers aren't too high up.
I like it. It covers our spaces defensively, which means we can decide to sit back and defend with success if we actually ever wanted to, similar to Mourinho teams when he was focused on defending. Players are closer together which makes it easier to press. Bruno is given licence to create. Plus all of Greenwood, Rashford, Sancho, Amad, Elanga fit into this system, so it doesn't isolate or force anyone into a new role. On form, I can easily see Rashford taking Elanga's role. The protection from Matic also means Varane Lindelof and the full backs have that extra assurance, which has allowed Telles shine in this game.
The major weakpoint though is that Matic is the only DM we have. He's the only one with the positioning to actually be able to play this role and he can't do this on a game to game basis. We really need to invest in that DM, its costing us. Even a short term cheap one would keep us steady in the short term. We literally don't have any proper box to box midfielders or DM's and it hurts us immensely in keeping the ball, recovering the ball in midfield or simply holding in midfield. We need at least 2 in this squad if this is our formation, as Fred, Mctominay, VDB or Pogba can't play this role.