Hmmmm.... The gov't has done nothing at this point, yet someone discovered there were fake foods, shared the information and consumers are now aware and avoiding them.

So yeah, I'd say the free markets are working.

And it only took a few decades. And every time there's some major olive oil scandal, we don't end up with less adulterated olive oil.

I don't have an opinion on free vs. regulated, but I wouldn't agree that free markets are working the way you claim.

Well, it looks like the free markets moved faster than the gov't in this case.

So someone doing something is automatically attributed to the free market? Im not sure that is how it works.

Something something information asymmetry problem

Well, how much is a kid really worth? Sure, if it's your kid, a ton, but really it's like a decade or two before we even start evaluating potential. Losing 10-30% probably isn't that big of a deal.

There are a few influential thinkers who talked about this in the past, Jonathan swift is worth looking into.