It's interesting that this is framed in the context of 'foul play' - I wouldn't be surprised if we find out that even in regular play there's often enough head impact to be concerning. I'm actually surprised this would get approved given that it could put the league in an awkward position of trying to argue why you should ignore the very devices it approved. Usually sports organisations like to put a thumb on the scale in these cases [0]
[0] I could pick many but lets go with the IWF who's largest wikipedia section is the one for corruption - https://en.wikipedia.org/wiki/International_Weightlifting_Fe...