Are these all the same people that were against the shark feeding ban?
just my opinion but since the overall population of divers in the world vs the over all population of Fishing boats, whaling boats, swimmers, shrimp boats, lobster boats, clammers (and other shelfishers) etc...
I don't know, you want to take a couple hundred tons of live shells over the lifetime of your diving that is fine by me. You still wont add up to the amount of "damage" done by one comercial fisherman in one day.
BTW, if anyone actually has an anwser to the question of the thread I would be interested to know also.
Opinionatedly,
SpyderTek