...induce them to all move to one state? Namely the state that gives them the best corporate sweetheart deal? Why do you think more than 50% of the public companies in the US are incorporated in the state of Delaware? Because A) Delaware law is the absolute best at looking out for consumers or because B) it's the most lax on corporations? What would stop health insurers from doing the exact same thing? (Besides nothing, of course.)
http://www.corp.delaware.gov/aboutagency.shtml
"More than 850,000 business entities have made Delaware their legal home. More than 50% of all publicly-traded companies in the United States including 63% of the Fortune 500 have chosen Delaware as their legal home."
http://www.corp.delaware.gov/aboutagency.shtml
"More than 850,000 business entities have made Delaware their legal home. More than 50% of all publicly-traded companies in the United States including 63% of the Fortune 500 have chosen Delaware as their legal home."