Today panic stricken managers rather than responding to challenging problems with team spirit can respond with ganging and mobbing.
As the rate of attacks shows a degree of variability it would be interesting to see how it varies with changes in politics, for example. Is there a pattern? I would imagine so. One would expect different types of doctors to be attacked in keeping what people think they can get away with. Complex social and political interplay with medical advances combined would be a classic cocktail for persecution.
Read this paper on mobbing: