Is there any reason I should assume the CPI knows what it is talking about and that health insurance has dropped by more than a third in the last year?
Here is an article that mentions it: https://www.cnbc.com/amp/2023/10/13/deflation-is-the-anti-inflation-heres-the-september-2023-breakdown.html
> Electronics such as televisions, cell phones and computers continually get better. Consumers get more for roughly the same amount of money, which shows up as a price decline in the CPI data. Health insurance, which falls in the "services" side of the U.S. economy, is similar.
That's as close as they could get