If anything, as a government agency, they should be promoting the manufacturing, sale, and use of Alcohol, Tobacco, and Firearms.
I always thought it was interesting that the ATF has its roots in the Bureau of Prohibition, a government enforcement agency that didn’t come into existence until AFTER a constitutional amendment was adopted and the subsequent Volstead Act was passed to ban the manufacture & sale of alcohol.
Why is it that in the early part of the 20th century, the Constitution had to be amended before something not even mentioned in the Constitution could be regulated & banned but now, we regulate and ban just about anything if Congress says so including things that are expressly protected in the USC?