“Every reasonable person believes in animal rights,” he says, continuing that "we might conclude that certain practices cannot be defended and should not be allowed to continue, if, in practice, mere regulation will inevitably be insufficient—and if, in practice, mere regulation will ensure that the level of animal suffering will remain very high."
Food processing isn't pretty, I've seen pigs, sheep, cows and chickens slaughtered, it'd turn your uptight greenie eco-mentalist vegan for life.