TLDR: It's fine, but suffers from the standard bland big budget problems.
Storywise, It's interesting to note that WW1 was very much a war of endless waiting, confusion, and dread. The great misery and lack of real "bad-guys" leading to The Lost Generation's aimlessness. The movie really side steps this by having messengers with a very clear mission to run across the battlefield in 8 hours. It leads to very tense action. The movie tries to acknowledge this with various…