> "Career experts generally favor scalable professions."
Says who? In my experience, "career experts" want to make sure their advisees get a decent job. If 90% of people who follow your advice fail at their career, I'm betting you don't stay a "career expert" for very long.
Consider how much you can earn as a doctor or lawyer by choosing a lucrative specialty and working to establish yourself in the field -- why does he discount that? Because he's selling a dream, not a career. It's hard to fantasize about going to medical school, doing a residency, and then doing further postgraduate work, especially if you're already out of school. It's easy to fantasize about entrepreneurship.
But simply reading HN also satisfies the startup itch a little... and can thus wind up being an ersatz substitute for the real thing. For each person HN encourages, it might also satiate another in place.
Says who? In my experience, "career experts" want to make sure their advisees get a decent job. If 90% of people who follow your advice fail at their career, I'm betting you don't stay a "career expert" for very long.