But you and I do pay extra even for that small improvement, to buy eggs with a little less self imposed shame. We'd probably pay a bit more for a bit more improvement. It'll never be as cheap to raise animals without cruelty. But we could become wealthy and horrified enough to be willing to pay the difference.
you can get pastured eggs. those are (supposedly) happy chickens running around, living a very good chicken life.
the difference in the eggs is striking: thicker shells, much deeper orange yolks.
The orange is probably still vitamin b supplementation