Its at least a bit interesting that this idea that "Ayn Rand exists as a roundabout litmus test for assholes" is quite weird, one I've never heard before, except from him. To arrive independently at the exact same, weird conclusion, there must be something to it.
"Ayn Rand exists as a roundabout litmus test for assholes" is a pretty widely held idea. I've never read a book of hers, but the extracts I've read... well, I can see why people say that.