Firstly we are told, at the time of its first narration, that Harry almost-notices that something is wrong with it.
No we’re not. You’re confusing this memory with the first time Harry is told the standard story of what happened by McGonagall. All we’re told about this memory is
Into the vacuum rose the memory, the worst memory, something forgotten so long ago that the neural patterns shouldn’t have still existed.
No we’re not. You’re confusing this memory with the first time Harry is told the standard story of what happened by McGonagall. All we’re told about this memory is
You’re right, I was confusing the two.
Nonetheless, the memory matches up with the standard story, and something is a bit off with the standard story.