Just watched it 6/10 at best for me. Too many cockney accents and it just didn't transmit the absolute chaos and fear enough for me. A bit like watching someone in a ww1 theme park .
I acknowledge its a hard thing to do a ww1 epic but this wasn't a good attempt , one minute he's in no mans land (which was reasonably done ) next he's alone in green fields and standing trees with blossom next to a grazing cow . The way miles of area would have been affected was just airbrushed . Plus the Germans couldnt shoot straight