Well there is the policy part, and then the personal part. I don't find much good to come of this, but I can honestly say it is interesting to probe the reasons why someone could actually be this hated.
In the end, I just think he set a bad example. He was anti-science, and anti-education. The mispronouncing nuclear thing, and then hearing the news media follow his lead got me pissed out of proportion. It was like it was in vogue to be ignorant.