Interesting. The real life example of the non-journalist who took an entry level job in a field he later covered would be Michael Lewis, author of "Liar's Poker" and "The Big Short". Even though both books condemn the excesses and stupidity of his former industry, and even though "Liar's Poker" ended up having the unintended consequence of drawing new hires because of the excesses, I still wouldn't consider him a shill for the investment banks.