It did not help outdated doctrine by the french, which had the allies managed to get there in time and hold out, would have worked, but they did not. I just know the Ardenne was blamed for the line falling mainly.
From what they have explained to us, all the fancy tech and everything lasts for only so long. It is generally told that the longer the war the more antiquated it gets in this modern times. I am just going by what they explain to us these days
The only constant is Infantry will always exist. Human infantry. there is a reason they say in a modern force on force war, in the end it becomes a dug in trench fighting war as tech only goes so far