The article you linked is correct. Insurance companies can't price risk fairly here in CA because they need state regulator approval to increase rates. This is due to good old prop 103.
We should all be able to agree that the actuarial math backing their rates is good. What they do after when it comes to fighting policy payouts is another story
The Rolling Stone article claims that insurance companies are currently not required to disclose their math, and are fighting tooth and nail against being required to share it.
> insurance companies are currently not required to disclose their math
I started my way towards becoming an actuary. If actuarial work requires public disclosure, it stops being worth investing in for competitive advantage.
This entire article is Exhibit A for why Californian homeownership is fucked.
We should all be able to agree that the actuarial math backing their rates is good. What they do after when it comes to fighting policy payouts is another story