For every slot machine you add, you lose one job per year from the consumer economy
Casinos don't bring business except for the gambling boys
Gambling is a bad deal for taxpayers
Utah sells itself to Fortune 500 companies as a noncasino state where employers don't have to be concerned about absenteeism and other problems associated with gambling
It becomes a cannibalization of your pre-existing economy
You bring in gambling into a major population base, and the more people you have going into a casino, the more people you have hooked on gambling