Yeah, the manufacturing biproducts (PFOA, PFOS etc) can certainly interfere with biological processes and endure in the environment for a long time, but PTFE is

Yeah, the manufacturing biproducts (PFOA, PFOS etc) can certainly interfere with biological processes and endure in the environment for a long time, but PTFE is relatively benign as a solid... until it gets really hot and decomposes into carbonyls.