What do you recommend? Just letting people die of cancer and ignore teenage pregnancies?
I don't think data supports your claim that tobacco use was merely redirected to other forms of nicotine. But even if it did, that's a success since they're less harmful.
I recommend that kids who go to the Bodega and pick up a pack of smokes, a tub of ice cream, and a packet of condoms, check Wikipedia for terms like "Helen of Troy", "Trojan Horse", and the eponymous war, lest their Y chromosomes combine with something in a way they thought was impossible.
I don't think data supports your claim that tobacco use was merely redirected to other forms of nicotine. But even if it did, that's a success since they're less harmful.