My point had nothing to do with harm but with logic. The idea that some animals are more worthy than others when it comes to consumption makes no sense. If your argument is about harm reduction then the only issue with killing Whales would be killing so many it has food chain ramifications. Other then that there is no harm. If your argument is about its wrong to eat sentient beings you can’t kill any animal.
The only argument you can have against killing a chicken instead of a whale is we’ve always killed chickens which isn’t an argument. As for saving a baby instead of chicken were biologically programed to care for a baby to keep the humanity going and eating one is harmful to our health