> three years of domain-specific education, and a network of people who trust you to--no, who depend on you to be able to get things done with that knowledge T

> three years of domain-specific education, and a network of people who trust you to--no, who depend on you to be able to get things done with that knowledge This might be the case, but he's now like the janitor who unplugs the toilet. His work may be appreciated, and it might be necessary, but it's not respected or well remunerated. I guess he gets a little bit of respect for unplugging more theoretical pipes, but a little respect isn't a PhD.