Arrogant attitude, humans are not the all important. The salmon are not all there for us only. Easier to teach humans to eat other food than salmon, perhaps that should be priority?? Humans are not dying out from lack of salmon, resident Orca are. Humans need to give up eating salmon. Pretty easy solution? Farm them in big swimming pools on land, who cares, leave the wild ones alone. Did you not read anything I posted above? ..they do not switch over after eons of feeding on salmon, the resident Orca population.