It is not feasible for consumers to be informed at that level about all of the goods they consume and for most of us there I doubt there is a practical way to be informed about these sorts of things for most products even if we were to try. Furthermore, even if we were informed for a particular product there may be no better behaved alternatives in the marketplace for something we consider to be a necessity.
> It is not feasible for consumers to be informed at that level about all of the goods they consume
Nobody said "all", we don't have to live in a world of perfection and extremes. We can buy electric cars, use renewable energy.
> even if we were informed for a particular product there may be no better behaved alternatives in the marketplace for something we consider to be a necessity.
Things might not turn out well if you try something, so don't try? How do someone get out of bed in the morning on that basis?
Your point is that you are absolutely powerless to do anything? It's obviously false, but why is that important to you?