Perhaps ALEC promoted itself as a sensible business advocate, akin to the well-known Silicon Valley Leadership Group, but ALEC is a different sort of animal.
Some companies seek to privatize profits and socialize (high) costs, risks or damage, so they naturally seek to “hide in the crowd” with others, use front groups or foster the TEA Party. They need camouflage, especially Big Tobacco, from whom others have learned.
A search for American Legislative Exchange Council finds 25,000 documents, a hint at the long close connection, as seen also in this post elsewhere.
Of course, higher taxes selectively discourage adolescent purchases, a serious challenge for tobacco's long-term customer base.