(If you want a real answer I have spent over 20 years in all three places. And, have had no problems. You see, unlike 0regon fans, I respect the locals/natives in those areas. Never had a single problem. But go to Autzen one time.......)
Way better beaches on the other islands, braddahs. But then, I'm biased against O'Ahu... and it's really not the island. It's Honolulu, Pearl City, and Waikiki. It's like the Newark of the Pacific.