Generally, people don't like her for lacking 'heart'. However, most people don't actually understand her message, nor do they appreciate her definition of selfishness.
It's very unfortunate because her writings were on the spot on about human behavior.
Rand is difficult for many people because her philosophy is essentially standalone; take it all or take none of it. You cannot really take one small lesson of Rand on its own - it always comes tightly bound to the premises it is derived from.
It's very unfortunate because her writings were on the spot on about human behavior.