That everyone needed to be on it or on a market or employer's plan that had similar coverage requirements it if they wanted the tax breaks and -
A minimum of health care services were required to be covered by the ACA or other health care plans that got the tax exemptions whether or not the covered person thought they needed it or not.
Remember the huge nit-picking stink about OB/GYN requirement on all the plans -
"I'm a Healthy 30 year old Man, I shouldn't have to pay extra for women's health care or Cancer screenings or Autoimmune Diseases or Geriatric Services until I'm Good and Ready to...if all I want is Catestrophic coverage, that's all I should need to get..."
Couldn't ever explain to them Health Care is not like going to a Starbucks, and why the pool had to be large enough to affordably cover everyone.
We're going to end up with the "affordable" crap they had from around 1987 to 2011, where tens of thousands of working class people a year went bankrupt or lost their homes from unexpected medical bills and - hundreds of thousands a year more went "another year putting off seeing a doctor" due to limits on annual visits and coverage until their health situation became so bad they either ended up in the ER or had to quit working due to disability - and then struggle for years in poverty trying to get on SSDI if they were too far away from retirement.
That's what the GOP now wants, because "Romney Care" is no longer needed for businesses to keep a relatively productive workforce in place; AI will cut that workforce need in half - or get rid of it altogether.
If you're not needed, you're fired - go get another job or starve.
They don't care.