Your headline says the opposite of what your linked article says. Your linked article acknowledges that premiums are increasing. Meanwhile, others point out the fact that Obamacare is actually causing increases despite promises premiums would fall.
Medical spending has already exceeded the maximum that the market would bear, which is why the industries lobbied for Obamacare to spend even more.
And why are we now attributing some so called positives to ACA? When people on this same forum complained about the negative effects it was having, we were told to be patient, and wait and see what happens in a couple years, once the damn thing is actually implemented