That's the silly thing with the AFL protocols.Head knocks are a funny think in that often innocuous ones can KO you or do some damage (hit the temple or the right point around the jaw and its lights out) but in reality anything with that much force has absolutely rattled your brain.
Its nuts to me that THAT level of force didnt immediately require the concussion protocol, regardless of if they displayed immediate symptoms or not (we also know that delayed concussion is absolutely a thing).
The AFL signing it off means nothing to me personally, they are trying to improve processes but only out of an abundance of concern about their long term legal position.
You don't need to actually suffer concussion, to suffer brain injury.
We all know this. Yet the protocols seem to disregard it.