I don't think it should be assumed that they are actually that different from their predecessors from those times bubblyrat referred to.

Even if it there to be the case that today there were more with criminal records of one sort or another, the crucial thing at any time isn't so much how many have criminal records, but how many have criminal ways which have been covered up by colleagues. I suspect that on that score the situation might even be better than in the rosy past.