This sort of comment always reminds me of the quintessential answer: "That's funny, I always thought the world is what we make of it."
If the only way we can 'make consumers choose better' is to continually publish and broadcast the worst corporate behavior in order to spur these kinds of shifts, then so be it.
Scream loudly about WalMart subverting local government and historical societies to build a store within sight of Tenochtitlan.
Republish over and over about Amazon's treatment of their fulfillment workers.
Shame them all until the baseline is as much better as we can make it, and keep pushing against the entropy.
That's how we make the world better.