It is the purpose and intent to promote a wider, more economical and timely availability of hospital, medical-surgical, dental, and other health services for the people of Minnesota, through nonprofit, prepaid health service plans, and thereby advance public health and the art and science of medical and health care within the state, while reasonably regulating the formation, continuation, operation, and termination of such service plans by establishment and enforcement of reasonable and practical standards of administration, investments, surplus and reserves.