How is everybody finally equal in Harrison Bergeron by Vonnegut?

People are made equal by devices which bring them down to the normalcy level in the story, which is actually below-average in intelligence, strength, and ability. These devices include weights to stunt speed and strength; masks, red rubber clown noses, or thick glasses to hide good looks and to make seeing difficult; and radio transmitters implanted in the ears of intelligent people, which emit sharp noises two or three times a minute to prevent sustained thought.