/jp/ - Otaku Culture

What is exactly that なんて supposed to mean?
Are you supposed to fill the gap between those two sentences with your imagination?
I feel like it doesn't hold up grammatically, am I right? Is this a good representation of how contextual spoken japanese is like?

I mean, I think I understand what he's saying perfectly, but somehow I feel like I should have to do less effort to understand.

>記憶がないとはいえその程度の認識だったなんて
>アピスを知らずにリコを守りながら潜れると?

Also, I guess the と at the end is hinting at "Did you think...?"