The idea that PTFE doesn't break down except at very high temperatures is not true.
Breakdown begins to occur at either 200 or 260 degrees Celsius (depending on what data you're looking at). These temperatures are well within the realm of temperatures that even a home chef might encounter.
Breakdown begins to occur at either 200 or 260 degrees Celsius (depending on what data you're looking at). These temperatures are well within the realm of temperatures that even a home chef might encounter.