A Boring Dystopia

The demographic you're referring to is a portion of conservatives that's hard to specifically categorize, some of them are libertarians that hate government involvement while some are MAGA followers that can't think for themselves. The portion that dislikes free healthcare because of evil communism is also the group that thought the ACA and Obamacare are different things. When the Republicans tried to kill the ACA a few years ago it had majority support from conservatives until it whiplashed the opposite way, there were interviews on TV where people were complaining about Obamacare and saying that th Republican ACA was a great plan, the interviewer would then tell them they're the same and they didn't believe it. This campaign of embarrassing people probably actually saved the ACA.

The real reason Conservatives dislike free healthcare is a misguided belief that the government is inefficient or incapable. In reality Medicare is far more cost efficient than the majority of private insurance. Likewise reports that you have to wait in free healthcare countries really don't matter because we have to wait for healthcare too, both systems are triage based. If you have a broken leg you might have to wait at the ER, but if you're having a heart attack you're going to get immediate care. If you try to schedule a routine dental visit you may have to wait several weeks, but if you had an accident and knocked out all your teeth you're likely going to the front of the line.

https://youtu.be/sx2scvIFGjE?si=2jGK8Bqwiu7S0GSh

https://www.nytimes.com/2017/02/07/upshot/one-third-dont-know-obamacare-and-affordable-care-act-are-the-same.html

https://www.pewresearch.org/short-reads/2020/09/29/increasing-share-of-americans-favor-a-single-government-program-to-provide-health-care-coverage/

https://www.reddit.com/r/AskConservatives/comments/yoyj63/why_are_conservatives_against_universal/