The concept was simple and, I believe, both reasonable and good: that is, these birds, typically kept alive for about 2 years, ought to have enough space to be able to move around more freely with room to stand up, sit down, and fully extend wings.
I eat meat, and I raise animals to slaughter and butcher for their meat. So, in spite of the fact that measuring suffering is fraught, I use it as one of my guiding principles for providing a high level of animal welfare.
How much do we need to learn about factory farms before we stop supporting them? America's attachment to the high protein diet is little more than a reflection of the economic clout of the meat and dairy industry.