As a general rule, the state should over-supply services. There should be slack in the system almost all the time. Relaxed GPs with lots of time to talk to their patients. So many teachers that the main trouble is finding rooms for them all.
Not only does this see a better quality of service mostly, but it also cushions the system in the event of an unexpected shock.
If you have just enough professionals to deliver at 100%, you don’t have enough professionals.
