Shark Feeding At The Grotto

Yesterday I heard that some Japanase divemaster is taking his customers diving at the grotto and feeding the sharks while the customers watch probably for extra money. Grrrr, that makes me mad. Thats going to change the whole eco system down there and maybe make the sharks more aggressive as well as the Barracudas. I know that the sharks aren't that big down there but I think I'd be freaked out if it was coming for me if it thought I had food. Shouldn't they come up with laws to discourage that? I'm just concerned about diver safety.