Then and Now

I had read Ayn Rand's Fountainhead when I was in college, my dad's colleage gave it to me. I didn't like the book - it was just like any other "romance" "novel" read by chicks. I didnt know about Ayn Rand at that time, she is supposedly a great author and a beacon for atheists and some sort of free-market enthusiasts everywhere. All my b-school aspirant buddies and most of my b-school buddies rave about her. Now I read that book again and still couldn't find it interesting. Now I know she is a famous author, so am I supposed to like her? Like her, because she is famous and liked by others?