We are not going to solve anything by discussing it but by discussion, some people may make that conscious decision not to do that when they are presented with that situation etc. It's sorta like discussing sex between teenagers and parents. Just cos you don't talk about it don't mean it don't happen
We dived with Bastianos Lembeh Resort. We where very happy with our main guide, but the one in training was a bit of a nuisance. On one of the rest breaks he even through his empty snack packet in the water, so much for them maintaining the environment that brings them a income.