Cruise ship destroys reef

[Reef Pilot]

With all the corals allegedly dying due to global warming, how are these ones surviving/thriving? This pic (from Coral Magazine) is in Fiji, very shallow water, and must be very warm there. I think a lot of coral destruction happens due to pollution, and leaching with irresponsible shoreline development. And all those sulfur diesel sight seeing boats over the Great Barrier Reef probably don't help that area.