That's one of the hardest questions to answer. In order to generate profits for shareholders the carriers have to generate return on their float. That was "easy

That's one of the hardest questions to answer. In order to generate profits for shareholders the carriers have to generate return on their float. That was "easy" during the big bull market that started in the 80s, but has become increasingly difficult. There are a number of very large and successful mutual insurance companies - take a look at USAA. They also happen to enjoy some of the highest customer satisfaction ratings in all of financial services.