By eliminating personalization you’re doing the same thing - removing price as a signal.
It’s good when insurers personalize! Install screens to prevents embers from entering roof vents? Great. You should get a discount!
It’s a win-win. Consumers are incentivized to take measures to reduce risk.
And this is exactly what the new agreement b/w the insurance commissioner and providers does. Which went into effect ... Jan 1, unfortunately.
A lot of the "big boy" insurance on ships etc actually have inspectors - they'll come and inspect your ship (or industrial plant etc) periodically to confirm it meets the agreed safety standards. And if it doesn't, no insurance! That really aligns incentives.