According to the linked Veritasium video, Teflon is not directly problematic, it’s the chemicals used to manufacture Teflon that are the problem.
https://skiracing.com/future-without-fluoros-a-complete-guid...
On HN I’d hope to read insightful comments instead of ones making strong statements without justification and asking others to Google for examples. If you’re too lazy to type out them out it’s probably better not to post at all; this is not Reddit.