I don't see a problem with just the couple or small wedding party taking pictures with a photographer.  If you're talking full scale 200 guests, well, that's another story.  And, it's not as if the wedding couple are going to blow up their picture and sell it for profit at some art shop.  It's really for their own personal use.  Does the photographer make money?  Probably, but so what if Hawaii is the backdrop?  I see Hawaii postcards for sale all the time.  Did the postcard company have a permit to include Hawaii in it?  If people from around the world want to come to have their wedding and photos with Hawaii as their backdrop, they are ultimately going to spend money here as will any of their wedding party or relatives so in that sense, adding to our economy is certainly a fair trade for merely taking pictures.  Does anywhere in the free world charge a fee for taking pictures in their country?