Well, just a single anecdote, but it's repeated many times every day around the country.
Colleague of mine, mid 40s, was diagnosed with terminal cancer - no chance for treatment. He still came to work, but less, maybe 2-3 days a week. He did a lot more fly fishing and building rods and flies, spending time with friends and family... and then, with about 4 months projected to live, some doctor somewhere got in his head about a "radical new treatment that has a chance... it's not covered by insurance, but: do you want to fight to live?" So, his last three months of life cost his wife and kids' life savings plus a maxed out HELOC, he spent virtually the whole time in hospital beds in far more pain than he would have had if he "gave up," and as a bonus he died a little faster than he would have without "going down fighting."
The system is full of this crap from top to bottom. Just getting basic care can be hellishly expensive, and so many people seem to end up on expensive chronic medication of questionable value (opiates, anyone?), and while some procedures are necessary there are an alarming number of people who seem to be stuck in a virtual revolving door on the surgery wing - back in to correct the correction for the procedure they may not have needed in the first place.
A priceless experience with a new ENT - I'm held in the waiting room while my insurance is verified, I can hear the receptionist doing it from where I sit. As soon as she has my details she walks them back to the M.D. who hasn't been with any patients for the previous 30 minutes. Others in the waiting room are behind me, waiting for their insurance to verify. Meet the man, he's straight to the point: Schwannoma - oh, those are scary bad things, can turn into a string of pearls kind of thing, we've got to cut that out right away, I've got an opening in my schedule tomorrow, your insurance covers it 100%, can you make it here at 10AM? O.K. asshole, the string of pearls is the first scary search result you find in a PubMed search, it has been reported exactly ONCE in a Japanese fisherman between his ribs. This is a small regrowth in my tongue, I don't want a flipping notch in the end of my tongue where you aggressively remove it. The first ENT didn't know what it was, removed 90% of it for biopsy, that left a dent, and the regrowth has barely filled back the missing tissue. Hard pass. Follow up a year later with a more reasonable ENT who actually has experience with Schwannoma of the tongue: "cutting it all out is really invasive, can heavily impact speech sounds and is no guarantee that it won't return bigger after being removed. It's not bothersome as is, just leave it alone." That was 15 years ago, and it's still not bothersome.
Not all M.D.s are evil, but there are enough to make it a real problem.