I disagree, clearly there is more to know when something like this happens.
I agree.
Looking at this photo, the only thing that broke is the lever, which allows you to release the grip of the safeguard and that's all. It looks like the biner attachment for both plates is still intact, and you can see his thumb on the part that does the actual grabbing on the rope. If the lever is all that snapped and he took a ride to the ground, I would expect he should have been taking that ride regardless, because it wouldn't have been grabbing the rope he was using even when the device was in working order. So, given this picture and how the safeguard works, and the fact he was using a rope that a lot of people use without incident, what else could have contributed to falling the rest of the way down? Seems like there is something missing, or it's simply don't use rope that's out of spec.
If this broke on mine, I'd be expecting to try and figure out a different way down my rope, since the handle couldn't be used to release the tension anymore. Is it concerning it broke to begin with? Hell yeah. But the more information on what really happened, besides it broke and he fell, the better.