The casinos are walking out of states with at least $1 billion in their pockets to Las Vegas
Taxpayers would likely be responsible for treating addicts
Legalized gambling is the leading cause of bankruptcy
Sociologists almost uniformly report that increased gambling activities, which are promoted as sociologically 'acceptable' and which are made 'accessible' to larger numbers of people will increase the number of pathological gamblers
It becomes a cannibalization of your pre-existing economy
Your social costs, your costs to the taxpayers, are $3 for every $1 of benefits, it's not good economic development