Dannielle is also special, what about 815 passengers?

The time on the island appears to be out of sync with the rest of the world. As seen with Faraday’s rocket and the ship’s doctor washing up on shore. There appears to be one safe way to and from the island without getting “temporal displacement” sickness. This is defined by the specific compass bearings. It is the One safe way between island time and rest of the world time.
-The ship’s radio officer took a zodiac from the freighter to lookat the island, but didn’t follow the specific course and he got “temporal displacement” sickness.
-We know Desmond is special. Desmond did not get “temporal displacement” sickness when his boat washed up on shore, when he went from rest of the world to island time.
-When the Dannielle and the rest of the crew from the french ship landed on the island, they didn’t follow the specific compass bearing and the whole crew except for Dannielle got “temporal displacement” sickness. Dannielle is also special.
-None of the passengers of flight 815 got “temporal displacement” sickness when they went from rest of the world time to island time. Was it because they are also special or they accidently got to island accidently along the correct compass bearing?