Pretty sure most Americans realized that the first time they had to pay an insurance premium or definitely the first time their insurance denied a claim
The recent anti-vax nonsense that reached a fever peak when COVID broke out is obviously part of today's culture wars, but could never have thrived without a deep, deep mistrust of the US healthcare system that the private for-profit industry has fostered over the last several decades
Which of course makes them untrustworthy of public healthcare, like someone hired to throw shit at someone and then claim my greatest enemy hired them to do it