No. I'm guessing you haven't either, since no one can. Such confidence in the market. Is/was the market price of Thalidomide, asbestos and cigarettes also perfect?

edit: I'm not saying that Tetrapaks will turn out to be terrible, just pointing out that things are priced with complete ignorance of their eventual externalities.

And how is the cost of the plastic fragments in the ocean factored in in this example? It won't be zero in the long run.