The gossip around the paddock is that its Ben Sulyman pushing for it as it seems like the FIA and F1 are fighting a political fight where F1 are not happy with the FIA and the FIA are trying to show them who is the boss.
I agree that this jewelry thing is a joke when you take into account that we race open wheelers with tires that explode on degradation , we race in wet conditions where ppl aquaplane into walls , we race in missile bombardment countries , F1 is a dangerous sport , its part of the game , if the ROI is high , sure lets do it , but in the face of all the risks I dont think a noes piercing raises the risk for a weekend incident by more then 0.0001%.