Strongly disagree.
According to NPR today, something like 75% of in-patient and 90% of out-patient events are shoppable.
Think something like having strep throat, or having a possible broken arm. Nothing stops you from looking at a few places before treatment.
Sure some cases are you got shot or had a heart attack and had to get rushed to the ER. Of your total medical visits in your life, what % of your total visits were like this?