The polymer chains are quite long after manufacturing for teflon pans. They are largely “safe”. Don’t use metal utensils with them and don’t overheat them. That said, I personally minimize my use of teflon pans (mostly just use them for eggs since I hate cleaning eggs off)

Even if PFAS were as bad as lead (which it is not), teflon pans are probably more analogous to leaded glassware than, say, lead in gasoline or paint. Waterproof outerwear is probably analogous to leaded paint (more likely to leach and plausibly prone to contact mouths accidentally).