I've just been watching the linked ANA video in slow motion and the initial touchdown doesn't look too bad. It's on the RH gear, which I presume is the upwind one if they were landing on RW16 in 220-250 winds. The aircraft then skips back into the air, maybe due to a gust or excess speed then pitches down *significantly*. I can't make out the elevator position but it does seem like that was a pilot input rather than an effect of turbulence. The rest of it looks like a classic PIO from a bounced landing as it touches down the second time nose-first in wheelbarrow fashion. I reckon that was what did the damage.