Looking at the video, you see a bit fly off the helmet. Looking closer, it appears that on the Aditek, the impact off the top edge actually snapped the visor completely, and created a large enough hole for the ball to get through. Look at the below picture. Still, it will have taken a significant amount of the velocity out in doing that... It's an impact that I suspect has not been tested for.
Not knowing enough about the materials the Aditek that Broad is wearing, I don't know what this means for the structural integrity. I would, however, bet that the carbon fibre / resin based ones wouldn't suffer the same kind of failure, simply due to how the material deforms/damages under load like that.
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