It sucks bad when places conduct themselves like this. Write to the paper or something, getting the word out sometimes is the only way to smarten people up. If you can affect their pockets, thats the only way some people learn. Hit em in the wallet.
Seems around here (coastal New Hampshire), the popular thing is to house marine fish in tanks without enough structure. I often see large shipments of new fish at local LFS's, with all these fish stressed out from fighting over the one good live rock they have in the tank. Fish start dropping to the bottom within the first hour of receiving them. Why dont these guys just add enough rock for all the fish they dump into the tanks? It seems like such a simple task, minimal effort needed. I am going to continue to say something about everytime I go in there.