Even at shops just hiring for Java or JavaScript, I don't think knowing them is a career advantage. They don't make you more hirable than you would be otherwise. That's really the only reason I left those out.

Paul Graham, while a thought-leader of sorts, isn't generally thought of as someone working at either the edge of tech or in large-scale systems. That's why nobody wants to chase the tech he's using vs what Google/Facebook/etc are.