Single source government medicine fails because..

The equilibrtium is the urban, large hospital emergency room door. The entire entire industry is governed by congestion at the door because the system robs consumers of self-medicine utility. The urban consumer of medical services sees little reason for self-triage; examine the issue and schedule an appointment with a specialist.

Once passed through the emergency room door, the drug costs becomes hospital insurance costs, single payer. Congestion signals gone on the entire class of medical procedures. It will always spiral, down, which it always has.