>>509709538
It's the first time it was adopted en masse by two standing armies that actually developed doctrine around it in real time. It's like how the Wright brothers didn't actually invent the first plane, but they made the model everyone decided to go off of in terms of building technical theory. Same goes for a lot of things, especially modern firearms. Game-changing innovations happen essentially off-screen in some weird regional conflict that nobody notices and then the real test happens in a big war.