We see these as positives in the US (yay! more specialists! more MRI machines!) but they don't improve outcomes on a population basis and they drive up the cost

We see these as positives in the US (yay! more specialists! more MRI machines!) but they don't improve outcomes on a population basis and they drive up the cost of care. An MRI machine at every hospital in a metro just means that every hospital will try to get you to use them -- they've got to recoup their costs.