If people think the harvesting of wild corals is not destructive, or somehow "better" than a hurricane, they need to take their heads out of their a**.
There is a finite amount of corals.
Why do places ban the removal of coral?
No coral, no reef, no fish, it's not a hard concept.
And if you use the "responsible" harvesting, for every responsible person, there's probably 100 who are not.