in the US, roughly 2 million people do [bankrupt due to medical bills] a year, and another 56 million struggle to pay their bills
This is misinterpreting the data. The vast majority of this is the problems caused by lost income - an inability to work while ill, not because of the medical bills themselves.
I guess I should knuckle down and look at the survey methodology to see for sure. But given my time constraints, I'll just note that while I acknowledge the ambiguity, I read that statement as closer to "we don't count people that missed out on a better job or promotion" (emphasizing the word "opportunity", I guess), rather than saying "we discounted all foregone income".
This is misinterpreting the data. The vast majority of this is the problems caused by lost income - an inability to work while ill, not because of the medical bills themselves.
EDIT: remove repeated phrase