It depends how you read it. If proponents of banning a drug (say, marijuana) argue that it should be banned because it is harmful and will threaten the fabric o

It depends how you read it. If proponents of banning a drug (say, marijuana) argue that it should be banned because it is harmful and will threaten the fabric of society (or something), while more dangerous drugs are legally and readily available, and have failed to destroy society, parent's argument is reasonable.