not only do anglers harm the fish they catch be-it by dropping them or by putting a size 10 (or whichever) hook on the line for the fish to inadvertently chomp on ,some cause unnecessary harm to other wildlife such as swans ducks etc by leaving unwanted fishing line, shots, floats lying around instead of picking them up and taking them home or as i used to do cutting the discarded line into small pieces whilst waiting for a bite... its them that you should be mad at, i mean come on fish are bred to be caught and eaten swans ducks (in some cases) are not