[saraid216]

Disclaimer: I'm nominally anti-Rand. I'm going to struggle to be objective for this comment, though.

A lot of people do dislike her as a semi-famous figure (i.e., not having known her personally) because she has said and done some things that are fairly disagreeable. (The easiest potshot to take is that her ideal human is a sociopath.) But by and large, it's because she's had what is often perceived to be a very negative impact on society.

Here's a biased, first-person, but vitriol-free perspective: http://www.salon.com/2011/04/05/my_father_the_objectivist/