Look at the examples he picks - I take "well informed" to mean not only knowledgable about the subject matter but also providing an insight beyond a platitude.
I think the following does not particularly offer any deep insight:
"Curious why he would need to move to a more prestigious position? Most people realize by their 30s that prestige is a sucker's game; it's a way of inducing people to do things that aren't much fun and they wouldn't really want to do on their own, by lauding them with accolades from people they don't really care about."