While you and I cringe at the way commercial enterprises raise birds, who is going to feed the billions of urbanites that can't raise their own food at a price people can afford.
The problem is overpopulation. Commercial farming will come to the rescue to provide meat to those billions of people at ever lower cost, but we see what the effects on the birds are.
Being an "urbanite" is a choice: there are vast swathes of this country that had people, indeed functioning communities, in them, just a few decades ago ..... and now are full of ghost towns and scattered farms tended by old men ...... the kids by and large moved away chasing the almighty dollar and entertainment in the cities..... There is not an "overpopulation" problem ..... just a excess of people concentrated in urban areas that haven't got the sense God gave geese.
Ag policy in the United States is geared to provide food for these people as cheaply as possible, regardless of the cost to the people themselves ...... it makes them dependent, and easily controlled.
They get cheap (and often FREE) food, and free entertainment ..... but it's not good food, and to look at the majority of them the amount of they eat is debilitaing them .......
You get what you pay for, when you are dealing with reputable people. Corporations are NOT people.