Anything ceramic coating. Greenpan is quite good. PTFE coating is "ok" but it comes off after a while.

Avoid the traditional "teflon" coating, unless you don't plan to cook at high temp (meaning anything that smokes).

I don't really know much about Ecowin.

Tefal typically use Teflon, which is PTFE. It is supposed to be safe, but it depends on your cooking style. I use wooden/silicone spatula only, never metal. Greenpan a bit hard to find in stores, but anything that is ceramic coating should be good.

Either get ceramic coated pans, or get a solid cast iron pan. Both contain no toxic compounds, and cast iron will last you forever if you take care of it. If you're cooking high temp, go for ceramic, because cast iron is not as "non stick"

If you don't care about the non-stick, sure. But stainless steel also got different grades. Don't get the lower grade, because they will rust too.

Sorry, video is not convincing enough because aside from the claim that the coating comes off (doesn't even say at what conditions) all other factors are similar to any other cookware, unless you're using the ceramic oven they cook pizzas in. In any case, I never cook at high heat, where all these unpredictable chemical reactions take place

Could be. Alternative then would be to just use cast iron or some kind of anodized steel. But you lose out on the non-stickiness. Not an issue if you don't mind cleaning up.