Laws like this are a fantastic example of people trying to avoid a moral argument. Whether or not chickens are of moral consequence is an argument that can be had; it is perfectly reasonable to for the owners of these factory farms to either argue that chickens are not of moral consequence and deserve no more protection or consideration than the rocks in a quarry or that the methods they use are moral and do not cons…
I can sympathize with the farmers because it's really hard to have a rational conversation in the face of strong emotional reactions to graphic imagery. People feel empathy for many things they shouldn't, such as robots[1], and the feeling of empathy is not a reliable way to determine something's moral status. Nevertheless, the natural way people make decisions on moral issues like this is to accept their emotional r…
So, "empathy" towards chickens in these systems isn't just anthropomorphism or oversensitivity.
A lot of the same reasoning applies to dairy farms, but there the issues get more complicated.