Of course these tax consumer groups support this tax. I cannot conceive of a tax they would not support: driveway taxes, value-added taxes, sin taxes, currency transaction taxes, carbon taxes or cap-and-tax: any kind of taxes. Tax consumers are growing increasingly desperate as they see an ever-increasing share of current government revenues disappearing into the fiscal black hole of bloated civil serpent compensation and benefits packages as well as pensions, which have to be paid out before all other claims on the public treasury. Critical "social service" spending in some states is already being pared back as government revenues decline. This could easily devolve into a war on the left, as traditional democrat clients see food stamp and other programs cut as civil serpent pay soars.
We're going to see a blizzard of proposals for new fees, taxes, etc, in upcoming years. Our only recourse is to fight every single one of them, even those advanced for a seemingly worthy purpose (a favorite tactic of our rulers at the local level is to put forward proposals for taxes earmarked for expenditures they think the public will support (e.g., libraries, senior centers, athletic facilities for schools) instead of prioritizing and paying for needed items out of already enacted revenue flows. (Of course, that might mean that the public employees might not get an 8% raise this year.)
STARVE THE BEAST!
Starve the Beast. Start Government. Those would make good bumper stickers.