Which the ACA has made decidedly worse for nearly everyone. The costs have gone though the roof and since at least 2014 or so, I can only get high deductible plans though my employers.
Any system that increase the amount of healthcare being provided without a corresponding increase in supply of healthcare providers would have done the same.
Life was greatly improved for those who didn’t have employer sponsored insurance and pre-existing conditions. And women of child bearing age. Now that they can actually get healthcare, someone has to pay for it, which is everyone.
You can hate insurance prices, and you can hate the ACA, and you can even hate Obama if you so desire, but don't hate the ACA because of insurance cost increases because it SLOWED THEM DOWN.
You're confusing correlation and causation. Health insurance costs have been rising faster than inflation for decades, but the ACA actually slowed that growth through a variety of measures - one of the simplest being that insurance companies had to be paying for healthcare with at least a minimum percentage of what they charged in premiums - prior to that they could deny everything and put the savings into executive bonuses for performance.
Some reference points with links to source information, though you may have to look at news articles for 2018/2019 numbers. The Kiplinger article notes ~5% for 2019, still well below the 9.9% average between 83-92 or the 6.4% average between 93-2010. Post-ACA, prices between 2010-2017 ran ~4.3% average increases, so it has been creeping up since 2017 for some reason cough.
https://www.thebalance.com/causes-of-rising-healthcare-costs... this one has convenient table of annual increases over the past 59 years along with notes of what major event in that year impacted costs. Source is CMS data that's inconvenient to extract on a phone.
Life was greatly improved for those who didn’t have employer sponsored insurance and pre-existing conditions. And women of child bearing age. Now that they can actually get healthcare, someone has to pay for it, which is everyone.