We just have to keep on
evangelizing, John. Each new generation of nurses, theatre techs, anaethetsists and surgeons (especially the last two), have to be badgered just like their predecessors, or so it would seem.
As I may have remarked before, I always find it somewhat disappointing that the very place where electrical safety is most critical (ie, the theatres), is often where the worst offenders are to be found.

Oh yes, they all love their "extension leads". I've even seen a garden reel type (ie,
big) in one well-known North London hospital. And many cheap reel types, of course. Plus all the
Woolworths extension leads, as
Roy has mentioned before. "Needs must" perhaps, but not very clever when you spill fluids into them, or step on (ie, break - as in
smash) them!
Biomed techs spend hours and hours each year (month, week) carrying out electrical safety tests on well-made and perfectly safe equipment, whilst the real hazards we're talking about here tend to be overlooked. Why is that, I wonder?
Maybe we all need to be taking photographs (you know, of the "name and shame" variety) and post them in the Gallery section of this forum (which Huw has kindly provided, but which I see is still somewhat denuded).