Well, i'm sure you'll agree that he doesn't think anybody should use the old technology?
How do we define unethical? Wouldn't it be using a method that has a high degree of failure? At least in the mind of the poster. That seems to be the point he's trying to get across. A lot of hunters feel that way, so he's not alone. I just wonder if these opinions are from experience, or just passed on from what they hear others say? Who might also be passing on what they hear.