She clearly held back on the big attacks on purpose. She was totally in control the whole time. Saved the bombs for a time closer to the election. Donald has shown his ugly face to the world, and he didn't do anything to do improve it tonight.
Her worst case scenario would have been to knock him out with a month still left for the GOP to re-group.
I'm sure Donald would be fine with it.
Going back to college psych class, Piaget discussed development in terms of states of processing and thinking about the world. Approximately 50% of adults never fully gain the ability to process complex, abstract concepts (formal operational thought), but remain in a stage where concrete thinking dominates their way of looking at the world. It is easier for these people to see things in 'black and white' because nuance often does not allow them to feel that they have a complete understanding.
I have often thought that many lower socio-economic repubs were concrete thinkers, because they are easily swayed by politicians who offer them a world in black and white (or good and bad). But, usually the candidates are not in this category, they just use these tactics to reach the large amount of people who are susceptible to it, while putting forth their more complex economic agendas to the wealthy party members who by themselves do not have the numbers to allow a party to be viable...and who have a very different agenda from what is publically presented.
The difference here is that Trump is one of the concrete thinkers. This is why so many of the party elites have rejected him, and why he can connect so well to the larger repub base.
And why he would be so dangerous in a job that requires complex, abstract thinking.