TL/DR: We Have Got It Because of PFAS
The article says nothing about PFAS. It states that bakers' parchment paper is treated with silicone.
If you want an attack angle into parchment paper, look up a) silicone curing types and b) loose siloxanes.
The article says nothing about PFAS. It states that bakers' parchment paper is treated with silicone.