It definitely didn't start with Trump, it just became policy under him.
Trump would never have had a chance if Americans didn't already blame immigrants for the effects of neoliberalism rather than the billionaires who put it into practice, and if the rural white populace weren't already afraid losing the cultural power of their demographic majority and identity. People forget how much of a joke candidate he was until racists took him seriously.
>if you can afford it - the US has excellent healthcare
If you can afford it, anywhere has excellent healthcare.