This is the first time the visitors feel completely safe upon entering the island. In Jurassic Park, the group were there to observe and give comment. The place was being set up and was relatively safe, but it was untried and encountered glitches. Jurassic World is a place you enter on a luxurious ship, drenched in the sun. There aren't any lone helicopters or planes entering the island this time.
Isla Nublar is now a holiday retreat, with people everywhere. And it does look beautiful. Dinosuars have been normalised. They are nothing to be afraid of. Canoe up the river with dinosuars on the banks. Gyrosphere right next to them on open fields and film it on your phone.
I think the D-Rex will take the role of Nedry. The one who causes a lot of the trouble. But as we know, the blame is not solely on the creature, but the people who created him.
I think this is an excellent concept overall, and has points of difference, however it all depends on what happens when the place goes to hell.