This is just the insurance industry getting its turn in the barrel. Govt restrictions and onerous codes have run up the cost of construction (like everything else), and recent weather damage figures have shown insurance companies they have been pricing too low. Now it’s catch-up time.
If the government can get people to believe that insurance on your house would be a lot cheaper if only the bad insurance companies weren’t greedy, they can regulate private insurance out of the market and make everyone get insurance through the government.