why are many american obsessed over maintainign the illusion of choice in healthcare?

[BrianSoddingBoru4]

There is no such things as choice when it comes to healthcare unless you  actually want to die. You get sick, heart attack, run over by a truck etc a persons only priority is to get healthcare. You are not buying a car, fridge, furniture or a movie ticket.
Having health insurance that doesn't cover everything means you're choices are whatever the insurance company decides since their ability to make a profit depends on denying coverage and avoiding payouts

Food, water, clothing, shelter, safety and health are the main priority in any circumstances. Freedom and liberty are only a option you can afford to care about when the more important needs are met. If you're too busy taking care of yourself and your loved ones then your not gonna have the luxury to care for anything else

I just don't get the nonsensical opposition to universal healthcare, is it indoctrination? is it stupidity? or a general lack of even the most basic education?

I think you nailed it - it's largely a question of indoctrination, a Cold War holdover.  For decades, USians were taught that social programmes = socialism = communism = totalitarianism.  Therefore, using general revenue to make sure that sick people get healthcare leads more or less directly to jack-booted thugs, gulags and purges.

Opponents of universal health care aren't stupid, they're cruelly calculating.  They've done an outstanding job of pointing up the failures of UHC (and there have been some) while ignoring or misrepresenting the successes and benefits.

Boru