It could thrive only in a world where people have lost contact with the natural world, where animals no longer pose a threat to us and human mastery of nature seems absolute. “In our normal life,” Singer writes, “there is no serious clash of interests between human and nonhuman animals.” Such a statement assumes a decidedly urbanized “normal life,” one that certainly no farmer would recognize.
I would like more information on what he means by a "normal life" between humans and animals