You might have missed me saying that I could tolerate taxing alcohol and tobacco so long as it isn't a slippery slope. This has been the problem I've had with those taxes, that it worried me they would move on to other things, which is what they're doing now.
Also, the amount of the tax matters. In New York, they tax cigarettes so heavily that no one who isn't affluent can afford them. This has resulted in an illegal cigarette trade which has caused multiple deaths and incarcerations. Taxation is a soft form of prohibition, which becomes less and less "soft" as the tax increases. Look at that sugar tax they have in Seattle, 65% on Gatorade? Give me a break. Not only can these do-gooders not be trusted to keep to certain specific things, but they can't restrain themselves from going way overboard like this.