I've got access to employer numbers.
Grandfathered plans are an absolutely screaming deal. You can do an HSA plan with a $2000 deductible and low OOP max, fully fund the HSA ($7,200) and come out way ahead at modest cost. This let's you do things like vision / dental / chiro / accu / whatever day to day stuff on the HSA, then keep costs controlled (after 2K) for a major issue. If you don't end up using the HSA you can basically use it in retirement.
The obamacare bronze HSA plans (which actually cost a bit more) have a $4,800 ind deductible and something like a $13K (!!) out of pocket max and something like a $9K+ family deductible limit. And they cost more. This is totally unworkable absent the subsidies.
I like obamacare, but something happened as part of obamacare that has CLEARLY driven up costs. Is it the lack of limits (ie, $10M in coverage during last weeks of life?) Is it some sort of other mandate?
One area where govt care is better priced is for the elderly. The grandfathered / free market type plans get expensive at 60 years +. The obamacare plans are more of deal here (relatively). At the 20 year old range obamacare is horrible for the coverage if you actually have to pay for them.