An artificial hormone has recently been developed that increases milk production in cows  Its development has prompted some lawmakers to propose that milk labels should be required to provide information to consumers about what artificial substances were used in milk production
This proposal should not be implemented: just imagine trying to list every synthetic fertilizer used to grow the grass and grain the cows ate, or every fungicide used to keep the grain from spoiling
raising considerations in order to show that the proposal being argued against, if strictly implemented, would lead to absurd consequences