[bertjk]

> One way around this knotty issue is to take the money from this tax and use it for public services that disproportionally benefit the populations from whom it is generated. (I have no idea what the tax revenues in Seattle are used for.)

And now you've created a bureaucracy that can only maintain its existence if sugary drinks continue to sell well.

[inglor_cz]

Or if the sin tax is gradually expanded to cover almost everything in the grocery store.