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We use Teflon-coated cookingwear even though we know it's poison.
Yes, yes, I know, technically it's not a problem if you don't scratch or over-heat it. But in my experience, 99% of non-stick pans get scratched and over-heated.Technically scratches should not be an issue, since teflon is very inert and will go through your systems without affecting anything. Over-heating it will make toxic without a question and I'll throw out any overheated cookingwear and just get new ones.
If you're paying attention it's not difficult to keep the temp below the temperature where teflon starts breaking down (260°C / 533 K): sunseed oil starts smoking at 230°C, butter below 200°C and heating oils to their smoke point is already something you should avoid if you care about your health.
Problem is how they make that shit. These factories have been dumping pfas into the environment for decades. And many factory workers got sick or infertile. That shit will give you cancer if have a lot of it in your bloodstream.
When you scratch it you're making microplastics though, and they're going right into your food.
Boy do I have something to tell you!
https://labs.waterdata.usgs.gov/visualizations/microplastics/index.html
If it does get scratched you can use sandpaper to turn it into a normal pan.
Teflon isn't poison. The decomposition products are, but so long as you aren't a moron and don't leave your pan on the stove with nothing in it you'll be fine