In Brave New World, why is the Savage disgusted? p160: "But the Savage had suddenly broken away from his companions and was violently retching..."

In Chapter 11 Bernard, in his triumphant manner, takes
John on two fields trips to show him civilization.  In these episodes, Huxley's satire
on the utopian world continues.  At a lighting factory, as he watches each process
performed by a single Bokanovsky Group, John is nauseated by the hundreds of creatures
who all are the same.  With bitter irony, he recalls the line of Miranda in
Shakespeare's Tempest: "O brave new world that has such people in
it."

This line differs now in connotation from what it
meant to John when he first arrived in the New World as he was fascinated by the new
civilization.  Now, it turns his stomach, making him retch as he understands what has
been sacrificed in the name of progress.