“In many ways, this latest protest and the impressive results it is producing are a poignant reflection of the trajectory of animal rights generally — from a fringe and widely mocked movement stereotyped as the exclusive domain of coddled left-wing activists into one that is now resonating with people of all types, who — as a matter of basic human conscience — are beginning to grasp and be horrified by the widespread, wholly unnecessary and inexcusable cruelty and suffering that animal agriculture is creating.”