Meh, I'm counting it as good.

He backslapped and skied out of it so, yeah, I'd say it counts.

It's kind of funny that the guy said he did an extensive search of the internet and couldn't find anything regarding a successful quad. Obviously, he didn't look THAT hard as there's been a number of...

^^ Good finds. I see it includes Steve Corbett's from 1975. Nice!

That's Steve Corbett. I tried to find the video but seems it's been removed.

See my post above. That's from the Warren Miller movie I think you're referencing; 4 x 4 thrown down.

From ten years ago; Matt Chojnacki did the 4 x 4. Four backs with four twists. So, no, this isn't the world's first quad backflip in my view.

https://www.youtube.com/watch?v=druWqXZnoeU&t=14s
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