There ARE steps to address it. Go look up JCAHO. Every hospital has a quality assurance sort of department - ours is called Patient Care and Quality Management. There are all kinds of things every hospital does to monitor their patients and reduce infection rates and mortality/morbidity rates. Every doctor hired goes through an exhaustive credentialing process before being presented to the hospital's medical board. There are sanctions and all that to punish those not in compliance.
And you have to recall - lots of those are due to ER deaths.
Are there idiots? Of course. But it's our jobs as patients/consumers to be aware, and be involved, and be educated about ourselves. Go get
YOU: The Owner's Manual and become aware.