>>23381715
>Something being shown to have occurred doesn't make it clear.
We know how it could happen, we know it happened. Saying it's impossible is wrong.
>Meyrin and Athrun survive a beam saber being shoved inches away from where their cockpit was
No they didn't. The chest got pierced well above the cockpit.
>they survive but it's never clear how they did
They get rescued as soon as Destiny and Legend leave. We see this.

This is why I suggest most confusion is just from people not having seen the show recently. Over time, you forget details, and your brain assumes those details never existed.