Only video I saw showed it all from a view of the cars approaching; but I think the bump-drafting and blocking are the central issue as far as causes.
That's gonna be hard to address.
I've always been worried about an impact where Newman was hit. Also tough to address.
NASCAR either already moved the driver's location towards the center, or it's proposed for the next-gen car, I don't recall for certain.
I know from track experience that sight shields indicate something pretty grim, but hopefully somehow that wasn't the case this time.
It's ominous (to me) that there's no word on his condition other than being expected to live.
I sure hope & pray that he's able to survive 100%.
I hate big wrecks, especially stuff like that, and can't comprehend that they'd be enjoyable somehow when people are inside.