This reminds me of some articles that came out when the states sued the tobacco companies in the 1990s. Many asked why the US federal government did not sue as

This reminds me of some articles that came out when the states sued the tobacco companies in the 1990s. Many asked why the US federal government did not sue as well, and the answer turned out to be that smoking is good for the federal government finances. It tends to kill people quickly (heart attack) just after they retire and start collecting social security.