Do not assume you are smarter than people in the past were.
“Many World War I generals were incompetent and some were uncaring, but there were also a lot of quite capable, focused and dedicated commanders and they couldn’t break the trench stalemate either.Wonder Woman couldn’t have done it either. But to understand why, we need to understand what creates the trench stalemate, because machine guns aren’t enough.”
https://acoup.blog/2021/09/17/collections-no-mans-land-part-i-the-trench-stalemate/