As director of operations at Tiki's Grill & Bar in Waikiki, Michael Miller knows something about Hawaii's robust restaurant scene, and he said that visitor counts are up, because locals and others come to eat in Waikiki. "Waikiki has value to it," he said. His other observations about Hawaii's restaurant scene: • Public transportation and new car services have helped increase the number of people who go to Waikiki to eat. • Technology has drastically changed the way people choose their restaurants.…